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  2. Arsenic MCL violations

Water systems with an arsenic MCL violation since July 2021

EPA's records (SDWIS, file dated October 14, 2026) show an arsenic MCL violation for these water systems. An MCL, or maximum contaminant level, is a legal limit; EPA's arsenic MCL is 0.010 milligrams per liter (10 parts per billion).

729water systems had an arsenic MCL violation in EPA's records, with a compliance period that began on or after July 1, 2021 (or was still open on that date). File dated October 14, 2026.

  • 3 open as of October 14, 2026
  • 726 returned to compliance

Each row is a water system, not a town. Violation records, not a test of any tap. Not a test of your tap.

Data checked November 15, 2026

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States with the most systems on the list

Bar chart: number of listed systems by stateCalifornia116Texas104Michigan66Arizona55New Hampshire28Indiana27Nevada26Washington23Illinois20Minnesota18
Number of listed systems in the 10 states with the most. Counts depend on how many small systems a state has and what it reports to EPA, so they aren't a comparison of states. Source: EPA SDWIS via the ECHO SDWA bulk download, file dated October 14, 2026.

What EPA says

An MCL violation is recorded in SDWIS when a system's results are above the MCL, 0.010 milligrams per liter (10 parts per billion), by the rule's single-sample or averaging test.

“On January 22, 2001, EPA adopted a new standard for arsenic in drinking water of 0.01 mg/l or 10 parts per billion (ppb), replacing the old standard of 50 ppb. Water systems had to meet the new standard by January 23, 2006.”

U.S. EPA: EPA: Drinking Water Arsenic Rule History

EPA's table of national primary drinking water regulations lists this for arsenic under “Potential Health Effects from Long-Term Exposure Above the MCL”:

“Skin damage or problems with circulatory systems, and may have increased risk of getting cancer”

U.S. EPA: EPA: National Primary Drinking Water Regulations

A resolved violation is shown as resolved, never as current.

A system that isn't listed had no arsenic MCL violation in this file for this period. That isn't a statement about its water.

EPA SDWIS (ECHO SDWA bulk download), file dated October 14, 2026.

Not a test of your tap.

ScoreYourWater also sells water treatment systems.

Every listed system, newest violation first

Showing 25 of 729

Swipe the table sideways to see every column; the system name stays in place.

Water systems with an arsenic MCL violation since July 2021
Water systemStatusLatest period beganViolation recordsStatePeople servedType
Nelsons East Shore Landingserving Crow Wing County, MNMN1180036Open as of October 14, 2026July 1, 20264MN45Community
River and Woods Mobile Home Parkserving Otter Tail County, MNMN1560030Open as of October 14, 2026July 1, 202620MN25Community
KB Sub. Water Service Assoc.serving Soldotna, AKAK2243658Returned to compliance June 30, 2026April 1, 202621AK170Community
Knik Tribal Council Senior Housing Devserving Wasilla, AKAK2220501Returned to compliance June 30, 2026April 1, 20261AK128Community
Palmer Lifeways Daycareserving Palmer, AKAK2226055Returned to compliance June 30, 2026April 1, 20267AK56Non-transient non-community
Sheena May Estatesserving Palmer, AKAK2224337Returned to compliance June 30, 2026April 1, 20268AK74Community
Beaver Creek Schoolserving Rimrock, AZAZ0413084Returned to compliance June 30, 2026April 1, 202612AZ400Non-transient non-community
CS Citrus Park Water Companyserving Tacna, AZAZ0414107Returned to compliance June 30, 2026April 1, 202618AZ102Community
CS El Prado Water Companyserving Yuma, AZAZ0414442Returned to compliance June 30, 2026April 1, 202614AZ404Community
CS Oak Creek Public Service LLCserving Cornville, AZAZ0413042Returned to compliance June 30, 2026April 1, 20261AZ650Community
CS Verde Lee Water Companyserving Clifton, AZAZ0406004Returned to compliance June 30, 2026April 1, 20268AZ604Community
Green Valley MHPserving Camp Verde, AZAZ0413348Returned to compliance June 30, 2026April 1, 202620AZ190Community
Jones Coop Water Assocserving Yuma, AZAZ0414070Returned to compliance June 30, 2026April 1, 20266AZ29Community
Lagoon Estates WC Unit 2serving Fort Valley, AZAZ0408046Returned to compliance June 30, 2026April 1, 202614AZ125Community
On the Greensserving Cottonwood, AZAZ0413268Returned to compliance June 30, 2026April 1, 20263AZ516Community
Riverbound Custom Storage and RV Parkserving Lake Havasu City, AZAZ0408191Returned to compliance June 30, 2026April 1, 20267AZ210Non-transient non-community
Austin Industrial Park Water Systemserving San Joaquin County, CACA3901418Returned to compliance June 30, 2026April 1, 202619CA125Non-transient non-community
Bar-Len MWCserving San Bernardino County, CACA3600025Returned to compliance June 30, 2026April 1, 202620CA126Community
Cedar Valley Mutual Water COserving Madera County, CACA2000538Returned to compliance June 30, 2026April 1, 202615CA137Community
Central Valley Baptist Church WSserving San Joaquin County, CACA3901486Returned to compliance June 30, 2026Listed as inactive in SDWISApril 1, 202617CA12Non-transient non-community
Century Mobile Home Parkserving San Joaquin County, CACA3900579Returned to compliance June 30, 2026April 1, 202617CA50Community
Gemperle Egg Ranchserving Merced County, CACA2400343Returned to compliance June 30, 2026April 1, 20266CA55Non-transient non-community
Gico Managementserving San Joaquin County, CACA3902189Returned to compliance June 30, 2026April 1, 202620CA60Non-transient non-community
HI Desert MWCserving San Bernardino County, CACA3600123Returned to compliance June 30, 2026April 1, 20267CA112Community
Hughson, City ofserving Hughson, CACA5010008Returned to compliance June 30, 2026April 1, 202620CA7,977Community
Knoll Enterprisesserving San Bernardino County, CACA3600504Returned to compliance June 30, 2026April 1, 202620CA500Community
Lactalis Heritage Dairyserving Tulare County, CACA5403074Returned to compliance June 30, 2026April 1, 202612CA295Non-transient non-community
Laguna Seca Recreation WSserving Monterey County, CACA2702009Returned to compliance June 30, 2026April 1, 202616CA1,248Non-transient non-community
Le Grand Comm Services Distserving Merced County, CACA2410011Returned to compliance June 30, 2026April 1, 202613CA1,739Community
Martinez Apartmentsserving San Joaquin County, CACA3900751Returned to compliance June 30, 2026April 1, 202613CA26Community
MD 08 North Fork Water Systemserving Madera County, CACA2000561Returned to compliance June 30, 2026April 1, 202620CA264Community
MD 24 Teaford Meadow Lakesserving Madera County, CACA2000552Returned to compliance June 30, 2026April 1, 202628CA150Community
MD 42 Still Meadowserving Madera County, CACA2000737Returned to compliance June 30, 2026April 1, 202624CA100Community
Musco Family Olive COserving San Joaquin County, CACA3901429Returned to compliance June 30, 2026April 1, 20265CA348Non-transient non-community
Primex Farms Water Systemserving Kern County, CACA1503521Returned to compliance June 30, 2026April 1, 20264CA450Non-transient non-community
Sierra Linda Mutual Water COserving Madera County, CACA2000506Returned to compliance June 30, 2026April 1, 202623CA200Community
South Kaweah Mutual Water Companyserving Tulare County, CACA5400754Returned to compliance June 30, 2026April 1, 202613CA384Community
Sunny Road Water Systemserving San Joaquin County, CACA3901213Returned to compliance June 30, 2026April 1, 202619CA34Community
V & P Trailer Court Water Systemserving San Joaquin County, CACA3900732Returned to compliance June 30, 2026April 1, 20264CA35Community
Yosemite Forks Est Mutualserving Madera County, CACA2000527Returned to compliance June 30, 2026April 1, 202620CA110Community
A-Lodge Salidaserving Chaffee County, COCO0208480Returned to compliance June 30, 2026April 1, 20261CO98Non-transient non-community
L&m Farms Moultrie Campserving Moultrie, GAGA0710101Returned to compliance June 30, 2026April 1, 20263GA110Non-transient non-community
Little River Estates MHPserving Echols County, GAGA1010001Returned to compliance June 30, 2026April 1, 20261GA54Community
Monrovia Nursery System 39serving Cairo, GAGA1310039Returned to compliance June 30, 2026April 1, 20261GA168Non-transient non-community
Sugar Mill RV Parkserving Thomas County, GAGA2750073Returned to compliance June 30, 2026April 1, 20262GA359Community
McBride Pointe Third Master Maintenanceserving Solon, IAIA5282311Returned to compliance June 30, 2026April 1, 202618IA25Community
Degrootserving Canyon County, IDID3140269Returned to compliance June 30, 2026April 1, 20264ID30Non-transient non-community
Fernan Estates Corporationserving Kootenai County, IDID1280322Returned to compliance June 30, 2026April 1, 202611ID37Community
Hammett Haven Apartmentsserving Elmore County, IDID4200023Returned to compliance June 30, 2026April 1, 20268ID64Community
Indian Villageserving Canyon County, IDID3140193Returned to compliance June 30, 2026April 1, 202612ID225Community
King Hill Domestic Water and Sewerserving Elmore County, IDID4200026Returned to compliance June 30, 2026April 1, 202615ID87Community
Partners Produceserving Payette County, IDID3380038Returned to compliance June 30, 2026April 1, 20263ID50Non-transient non-community
Stanley Pond Incserving Ada County, IDID4010139Returned to compliance June 30, 2026April 1, 20261ID72Community
Ashkumserving Ashkum, ILIL0750050Returned to compliance June 30, 2026April 1, 20261IL800Community
Road Ranger 132serving Champaign County, ILIL3079467Returned to compliance June 30, 2026April 1, 20261IL45Non-transient non-community
Jimmerson Shores Co-Opserving Steuben County, ININ5276011Returned to compliance June 30, 2026April 1, 20261IN120Community
Lake Estates Manufactured Home Communityserving Warsaw, ININ5243010Returned to compliance June 30, 2026April 1, 20262IN192Community
Nameless Creek Youth Camp, Inc.serving Greenfield, ININ2300045Returned to compliance June 30, 2026April 1, 20262IN30Non-transient non-community
Riverside Communityserving Redkey (Red Key), ININ5268012Returned to compliance June 30, 2026April 1, 20263IN50Community
Badger Trail Water Systemserving Iberia Parish County, LALA1045042Returned to compliance June 30, 2026April 1, 20264LA42Community
Palmetto Addiction Recoveryserving Richland Parish County, LALA1083017Returned to compliance June 30, 2026Listed as inactive in SDWISApril 1, 202617LA45Community
ST Martin Water District 4 - Catahoulaserving St. Martin Parish County, LALA1099004Returned to compliance June 30, 2026April 1, 20267LA3,000Community
Tokai Carbon CBserving West Baton Rouge Parish County, LALA2121008Returned to compliance June 30, 2026April 1, 202611LA85Non-transient non-community
Hollis Town Farm Roadserving Hollis, MEME0092920Returned to compliance June 30, 2026April 1, 20261ME25Non-transient non-community
Unity by the Stream LLCserving Unity, MEME0095570Returned to compliance June 30, 2026April 1, 202614ME88Community
3M'S Realty-Thompson Road IIserving Genesee County, MIMI2145825Returned to compliance June 30, 2026April 1, 20268MI325Non-transient non-community
Casemer Tool & Machineserving Oakland County, MIMI2148363Returned to compliance June 30, 2026April 1, 20269MI70Non-transient non-community
Flint Elks #222 Country Clubserving Genesee County, MIMI2044425Returned to compliance June 30, 2026April 1, 20265MI100Non-transient non-community
Forward Corporation #50serving Ogemaw County, MIMI2011165Returned to compliance June 30, 2026April 1, 20261MI700Non-transient non-community
Goodrich High Schoolserving Genesee County, MIMI2057425Returned to compliance June 30, 2026April 1, 20262MI420Non-transient non-community
Gunther Mobile Home Court Incserving Genesee County, MIMI0040138Returned to compliance June 30, 2026April 1, 20261MI105Community
Sandhill Manorserving Houghton Lake, MIMI0005905Returned to compliance June 30, 2026April 1, 20262MI148Community
Staebler Farm County Parkserving Washtenaw County, MIMI2064981Returned to compliance June 30, 2026April 1, 20266MI53Transient non-community
Territorial Professional Buildingserving Washtenaw County, MIMI2043281Returned to compliance April 23, 2026April 1, 20261MI100Non-transient non-community
Yankee Springs Meadowsserving Barry County, MIMI0040585Returned to compliance June 30, 2026April 1, 202617MI710Community
Dassel-Cokato High School/Middle Schoolserving Wright County, MNMN5860059Returned to compliance June 30, 2026April 1, 20263MN1,600Non-transient non-community
Lake Mary Villasserving Douglas County, MNMN1210024Returned to compliance June 30, 2026April 1, 202612MN37Community
Oak Manor Mobile Home Parkserving Roseau County, MNMN1680004Returned to compliance June 30, 2026April 1, 202617MN150Community
Riverview LLP-Waukon Dairyserving Mahnomen County, MNMN5440121Returned to compliance June 30, 2026April 1, 20262MN50Non-transient non-community
Columbia Carolina Divisionserving Old Fort, NCNC0156532Returned to compliance June 30, 2026April 1, 20265NC300Non-transient non-community
College View Parkserving Columbus, NENE3114106Returned to compliance June 30, 2026April 1, 202620NE150Community
Bosque Farms Water Supply Systemserving Bosque Farms, NMNM3510732Returned to compliance June 30, 2026April 1, 202610NM4,367Community
Desert Sky Mountain Water Cooperativeserving Placitas, NMNM3501223Returned to compliance June 30, 2026April 1, 202611NM177Community
Paakweree Village Water Co-Op Assoc, Incserving Albuquerque, NMNM3501901Returned to compliance June 30, 2026April 1, 202620NM117Community
Amargosa Elementary Schoolserving Nye County, NVNV0002190Returned to compliance June 30, 2026April 1, 202615NV200Non-transient non-community
Lamoille Valley Plazaserving Elko County, NVNV0000928Returned to compliance June 30, 2026April 1, 20267NV772Non-transient non-community
Nevada Gold Mines Carlin Leevilleserving Eureka County, NVNV0000338Returned to compliance June 30, 2026April 1, 20261NV550Non-transient non-community
Silver Knolls Mutual Water Companyserving Washoe County, NVNV0004021Returned to compliance June 30, 2026April 1, 202620NV120Community
Springwood Equestrian Centerserving Washoe County, NVNV0004061Returned to compliance June 30, 2026April 1, 20268NV175Non-transient non-community
Sutcliffe Mobile Parkserving Washoe County, NVNV0000765Returned to compliance June 30, 2026April 1, 20267NV60Community
Faith Life Church PWSserving Licking County, OHOH4565512Returned to compliance June 30, 2026April 1, 202613OH900Non-transient non-community
Portage Metro. Housing Authorityserving Portage County, OHOH6780512Returned to compliance June 30, 2026April 1, 20263OH48Non-transient non-community
S and K Products Companyserving Mercer County, OHOH5440312Returned to compliance June 30, 2026April 1, 20264OH32Non-transient non-community
Sarchione Chevroletserving Portage County, OHOH6765812Returned to compliance June 30, 2026April 1, 20265OH78Non-transient non-community
West Geauga Campusserving Geauga County, OHOH2843012Returned to compliance June 30, 2026April 1, 20261OH1,298Non-transient non-community
Adrian, City ofserving Malheur County, OROR4100002Returned to compliance June 30, 2026April 1, 202612OR159Community
Golf MHPserving Malheur County, OROR4100588Returned to compliance June 30, 2026April 1, 20265OR60Community
River Village MHPserving Malheur County, OROR4105854Returned to compliance June 30, 2026April 1, 20261OR40Community
Woodburn Mobile Estatesserving Marion County, OROR4100964Returned to compliance June 30, 2026April 1, 20263OR70Community
Ilera Healthcare Fulton Ctyserving Fulton County, PAPA4290323Returned to compliance June 30, 2026April 1, 20264PA250Non-transient non-community
Maplewood Heightsserving Wyoming County, PAPA2660034Returned to compliance June 30, 2026April 1, 20268PA32Community
New Castle School of Tradesserving Lawrence County, PAPA6370852Returned to compliance June 30, 2026April 1, 20265PA150Non-transient non-community
Axtell WSCserving McLennan County, TXTX1550016Returned to compliance June 30, 2026April 1, 202620TX1,320Community
Borden County Water Systemserving Borden County, TXTX0170010Returned to compliance June 30, 2026April 1, 202614TX275Community
BW Grayson Business Parkserving Harris County, TXTX1013562Returned to compliance June 30, 2026April 1, 202613TX25Non-transient non-community
Candelaria WSCserving Presidio County, TXTX1890011Returned to compliance June 30, 2026April 1, 202617TX138Community
City of Flatoniaserving Fayette County, TXTX0750002Returned to compliance June 30, 2026April 1, 20261TX1,969Community
City of New Homeserving Lynn County, TXTX1530004Returned to compliance June 30, 2026April 1, 202620TX965Community
City of Opdyke Westserving Hockley County, TXTX1100030Returned to compliance June 30, 2026April 1, 20265TX220Community
City of Plainsserving Yoakum County, TXTX2510002Returned to compliance June 30, 2026April 1, 202620TX1,355Community
City of Rieselserving McLennan County, TXTX1550040Returned to compliance June 30, 2026April 1, 202640TX1,476Community
City of Seagravesserving Gaines County, TXTX0830001Returned to compliance June 30, 2026April 1, 202620TX2,417Community
City of Smyerserving Hockley County, TXTX1100010Returned to compliance June 30, 2026April 1, 202620TX474Community
Country View MHPserving Lubbock County, TXTX1520247Returned to compliance June 30, 2026April 1, 202620TX54Community
Countryside Acres HOAserving Midland County, TXTX1650174Returned to compliance June 30, 2026April 1, 20265TX45Community
Duval County CRD Benavidesserving Duval County, TXTX0660001Returned to compliance June 30, 2026April 1, 202634TX2,285Community
Duval County CRD Concepcionserving Duval County, TXTX0660015Returned to compliance June 30, 2026April 1, 202620TX160Community
Eol WSCserving McLennan County, TXTX1550025Returned to compliance June 30, 2026April 1, 202628TX2,103Community
Grassland WSCserving Lynn County, TXTX1530005Returned to compliance June 30, 2026April 1, 202620TX55Community
Green Acres Mobile Home Parkserving El Paso County, TXTX0710066Returned to compliance June 30, 2026April 1, 202620TX141Community
Harris County MUD 119serving Harris County, TXTX1010626Returned to compliance June 30, 2026April 1, 20262TX4,758Community
Leroy Tours Gerald WSCserving McLennan County, TXTX1550027Returned to compliance June 30, 2026April 1, 202620TX1,845Community
Margies MHPserving Midland County, TXTX1650197Returned to compliance June 30, 2026April 1, 202611TX60Community
Matagorda County Wcid 2serving Matagorda County, TXTX1610016Returned to compliance June 30, 2026April 1, 202620TX564Community
Nueces County Wcid 3serving Nueces County, TXTX1780005Returned to compliance June 30, 2026April 1, 20263TX14,000Community
Prairie Hill WSCserving Limestone County, TXTX1470011Returned to compliance June 30, 2026April 1, 202620TX2,150Community
Redford Water Supplyserving Presidio County, TXTX1890012Returned to compliance June 30, 2026April 1, 202620TX82Community
Redline Cattleserving Randall County, TXTX1910171Returned to compliance June 30, 2026April 1, 20264TX200Non-transient non-community
Sandy Meadow Estates Subdivisionserving Brazoria County, TXTX0200335Returned to compliance June 30, 2026April 1, 202615TX237Community
Short Road Water Supplyserving Lubbock County, TXTX1520147Returned to compliance June 30, 2026April 1, 202620TX147Non-transient non-community
South Midland County Water Systemserving Midland County, TXTX1650077Returned to compliance June 30, 2026April 1, 202615TX165Community
Stormlight Mobile Home Parkserving Lubbock County, TXTX1520149Returned to compliance June 30, 2026April 1, 202640TX76Community
TDCJ Pack Unitserving Grimes County, TXTX0930034Returned to compliance June 30, 2026April 1, 202611TX1,597Community
Tempe WSC 1serving Polk County, TXTX1870105Returned to compliance June 30, 2026April 1, 202633TX2,725Community
Terrells Mobile Home Parkserving Lubbock County, TXTX1520192Returned to compliance June 30, 2026April 1, 202620TX60Community
The Estates of Sandy Hillsserving Victoria County, TXTX2350009Returned to compliance June 30, 2026April 1, 202614TX40Community
Town North Estatesserving Lubbock County, TXTX1520152Returned to compliance June 30, 2026April 1, 202620TX216Community
Town North Village Water Systemserving Lubbock County, TXTX1520094Returned to compliance June 30, 2026April 1, 202616TX360Community
Tri County SUDserving Falls County, TXTX0730004Returned to compliance June 30, 2026April 1, 202660TX5,353Community
Valley Estatesserving Lubbock County, TXTX1520198Returned to compliance June 30, 2026April 1, 202620TX68Community
Victoria County Wcid 2serving Victoria County, TXTX2350006Returned to compliance June 30, 2026April 1, 202620TX750Community
Village of Surfside Beachserving Brazoria County, TXTX0200037Returned to compliance June 30, 2026April 1, 202611TX5,697Community
Welch WSCserving Dawson County, TXTX0580013Returned to compliance June 30, 2026April 1, 202620TX315Community
Asi Wellserving Cache County, UTUTAH03126Returned to compliance June 30, 2026April 1, 20261UT250Non-transient non-community
Aspen Ranchserving Wayne County, UTUTAH28037Returned to compliance June 30, 2026April 1, 20265UT65Non-transient non-community
Webb Well Water Usersserving Salt Lake County, UTUTAH18051Returned to compliance June 30, 2026April 1, 20261UT250Community
MTN View Seventh Day Adventist Churchserving Vernon, VTVT0021195Returned to compliance June 30, 2026April 1, 202611VT269Transient non-community
Campbells Glenserving Island County, WAWA5310988Returned to compliance June 30, 2026April 1, 202616WA62Community
Eastgateserving Island County, WAWA5322030Returned to compliance June 30, 2026April 1, 202611WA76Community
Miracle Ranchserving Kitsap County, WAWA5355217Returned to compliance June 30, 2026April 1, 20261WA418Non-transient non-community
Owners Assoc of Beach Club Condosserving Whatcom County, WAWA5329746Returned to compliance June 30, 2026April 1, 20261WA31Community
River Road Mobile Home Parkserving Okanogan County, WAWA5317631Returned to compliance June 30, 2026April 1, 20263WA150Community
River Rock Tobacco and Fuelserving Arlington, WA105338114Returned to compliance June 30, 2026April 1, 20265WA2,117Non-transient non-community
Sunset Park Water COserving King County, WAWA5386140Returned to compliance June 30, 2026April 1, 20266WA21Community
Whidbey Shores Water Systemserving Island County, WAWA5396070Returned to compliance June 30, 2026April 1, 20261WA262Community
Farmington Elementary Schoolserving Kewaskum, WIWI2670166Returned to compliance June 30, 2026April 1, 20262WI280Non-transient non-community
Vintage on the Pondsserving Delavan, WIWI2651311Returned to compliance June 30, 2026April 1, 20261WI60Community
Oak Haven Water Companyserving Wasatch County, UTUTAH26043Returned to compliance March 31, 2026March 1, 202618UT388Community
Ac Alaska Commercial Storeserving Bethel, AKAK2270427Returned to compliance March 31, 2026January 1, 20261AK475Non-transient non-community
Set Free Alaska Snodgrassserving Palmer, AKAK2220483Returned to compliance March 31, 2026January 1, 202611AK47Non-transient non-community
Federal Correctional Instserving Tucson, AZAZ0410187Returned to compliance March 31, 2026January 1, 20261AZ350Community
Orangewood Mobile Home Parkserving Phoenix, AZAZ0407682Returned to compliance March 31, 2026January 1, 20263AZ500Community
Quail Run Water Systemserving Globe, AZAZ0404341Returned to compliance March 31, 2026January 1, 20261AZ300Community
Williams City ofserving Williams, AZAZ0403026Returned to compliance March 31, 2026January 1, 20262AZ3,145Community
Baker Community Services Districtserving San Bernardino County, CACA3600022Returned to compliance March 31, 2026January 1, 20262CA1,000Community
Country Villa Aptsserving Stanislaus County, CACA5000218Returned to compliance March 31, 2026January 1, 202618CA60Community
Crew Wine Companyserving Yolo County, CACA5700730Returned to compliance March 31, 2026January 1, 20265CA30Non-transient non-community
Keeler Community Service Districtserving Inyo County, CACA1400036Returned to compliance March 31, 2026January 1, 202619CA66Community
Lancaster Park Mobile Home Parkserving Los Angeles County, CACA1900038Returned to compliance March 31, 2026January 1, 202619CA50Community
Mountain View Elementary Schoolserving Stanislaus County, CACA5000255Returned to compliance March 31, 2026January 1, 202613CA170Non-transient non-community
Oakley Mutual Water Companyserving Contra Costa County, CACA0706004Returned to compliance March 31, 2026January 1, 202618CA170Community
Willow Park Marinaserving Contra Costa County, CACA0707507Returned to compliance March 31, 2026January 1, 202619CA380Community
Creekside South Estates Metro Districtserving Adams County, COCO0101188Returned to compliance March 31, 2026January 1, 20267CO160Community
Pacheco Trailer Parkserving Rio Grande County, COCO0153400Returned to compliance March 31, 2026January 1, 20263CO36Community
Ranch at Coulter Creek HOAserving Garfield County, COCO0123666Returned to compliance March 31, 2026January 1, 20261CO27Community
Pinecrest Condominiumsserving Woodstock, CTCT1698041Returned to compliance March 31, 2026January 1, 20268CT110Community
Seely - Brown Villageserving Pomfret, CTCT1121131Returned to compliance March 31, 2026January 1, 20262CT48Community
Pine Grove MHP/WHIPPOORWILL S/Dserving Thomas County, GAGA2750069Returned to compliance March 31, 2026January 1, 20262GA65Community
Secorserving Secor, ILIL2030600Returned to compliance March 31, 2026January 1, 202610IL351Community
Lake of the Woods MHPserving LaGrange County, ININ5244005Returned to compliance March 31, 2026January 1, 20264IN46Community
Mid-States Specialty Eggs of Middleburyserving Middlebury, ININ2200269Returned to compliance March 31, 2026Listed as inactive in SDWISJanuary 1, 20268IN160Non-transient non-community
Reeb Millwork of Maryland, Inc. 1302serving Queen Anne's County, MDMD1170005Returned to compliance March 31, 2026January 1, 20267MD70Non-transient non-community
Avoca Elementary Schoolserving St. Clair County, MIMI2006674Returned to compliance March 31, 2026January 1, 20261MI200Non-transient non-community
Bloomingdale Elementaryserving Van Buren County, MIMI2011080Returned to compliance March 31, 2026January 1, 20261MI330Non-transient non-community
Clare VA Clinicserving Isabella County, MIMI2019837Returned to compliance March 31, 2026January 1, 20261MI150Non-transient non-community
Dollar General - ST. Helen #24496serving Roscommon County, MIMI2049972Returned to compliance March 31, 2026January 1, 20264MI25Transient non-community
Fenton Winery and Breweryserving Genesee County, MIMI2166425Returned to compliance March 31, 2026January 1, 20262MI185Non-transient non-community
Hartland Commerce Center 1serving Livingston County, MIMI2065547Returned to compliance March 31, 2026January 1, 20261MI54Non-transient non-community
Hartland Commerce Center 3serving Livingston County, MIMI2085747Returned to compliance March 31, 2026January 1, 20261MI72Non-transient non-community
Kearsley-Fiedler Schoolserving Genesee County, MIMI2023925Returned to compliance March 31, 2026January 1, 20266MI436Non-transient non-community
Kids Corner Creative Learning Centerserving Genesee County, MIMI2128225Returned to compliance March 31, 2026January 1, 20264MI50Non-transient non-community
Lakeview Apartmentsserving Oakland County, MIMI0006443Open as of October 14, 2026January 1, 20261MI50Community
Lakeville High Schoolserving Genesee County, MIMI2027625Returned to compliance March 31, 2026January 1, 20266MI600Non-transient non-community
Mortgage Centerserving Genesee County, MIMI2149625Returned to compliance March 31, 2026January 1, 20262MI35Non-transient non-community
Muskegon River Youth Opportunityserving Osceola County, MIMI2019267Returned to compliance March 31, 2026Listed as inactive in SDWISJanuary 1, 20266MI0Non-transient non-community
Rosebrook Child Dev Center-Fentonserving Genesee County, MIMI2167225Returned to compliance March 31, 2026January 1, 20264MI120Non-transient non-community
Lake Lillianserving Kandiyohi County, MNMN1340004Returned to compliance March 31, 2026January 1, 202613MN236Community
Lakeview Community Schoolsserving Columbus, NENE3120617Returned to compliance March 31, 2026January 1, 20264NE525Non-transient non-community
Lebanon, Village ofserving Lebanon, NENE3114505Returned to compliance March 31, 2026January 1, 202612NE58Community
Stromsburg, City ofserving Stromsburg, NENE3114303Returned to compliance March 11, 2026January 1, 20261NE1,155Community
Allenstown Community Schoolserving Allenstown, NHNH0045010Returned to compliance March 31, 2026January 1, 20261NH608Non-transient non-community
Birches of Wolfeboro Coopserving Wolfeboro, NHNH2563010Returned to compliance March 31, 2026January 1, 20262NH159Community
Greenfield Commonsserving Greenfield, NHNH0974010Returned to compliance March 31, 2026January 1, 20262NH48Community
Riverview Manor Condosserving Raymond, NHNH1972020Returned to compliance March 31, 2026January 1, 20261NH110Community
Alcalde Mdwcaserving Alcalde, NMNM3535021Returned to compliance March 31, 2026January 1, 202610NM927Community
Jemez Springs Dwuaserving Jemez Springs, NMNM3509123Returned to compliance March 31, 2026January 1, 20264NM1,385Community
First Sloan Industrial Water Systemserving Clark County, NVNV0001186Returned to compliance March 31, 2026January 1, 20261NV40Non-transient non-community
Universal Plasticsserving Cobleskill, NYNY4721656Returned to compliance March 31, 2026January 1, 20268NY80Non-transient non-community
Caddo CO RWD #1 (Lookeba)serving Caddo County, OKOK2000802Returned to compliance March 31, 2026January 1, 202619OK275Community
Eakly Development Corpserving Caddo County, OKOK2000808Returned to compliance March 31, 2026January 1, 202638OK277Community
McKee Bridge Mobile Home Parkserving Jackson County, OROR4101165Returned to compliance March 31, 2026January 1, 202612OR40Community
City of Ackerlyserving Dawson County, TXTX0580011Returned to compliance March 31, 2026January 1, 20266TX245Community
Freer Wcidserving Duval County, TXTX0660002Returned to compliance March 31, 2026January 1, 202613TX2,923Community
Montesino Developmentsserving Lubbock County, TXTX1520265Returned to compliance March 31, 2026Listed as inactive in SDWISJanuary 1, 20266TX0Non-transient non-community
Ramirez Common School Districtserving Duval County, TXTX0660024Returned to compliance March 31, 2026January 1, 202612TX38Non-transient non-community
Stoneridge Lake Subdivisionserving Brazoria County, TXTX0200624Returned to compliance March 31, 2026January 1, 20265TX150Community
T-11 Farmworker Housingserving Grant County, WAWA53AC293Returned to compliance March 31, 2026January 1, 20261WA99Community
Adaman Mutual Water Companyserving Adaman, AZAZ0407001Returned to compliance December 31, 2025October 1, 20252AZ700Community
Desert Gardens RV Resort Co-Op, Incserving Florence, AZAZ0411129Returned to compliance December 31, 2025October 1, 202517AZ532Community
Hopi High School - BIAserving Hopi High School, AZ090400395Returned to compliance December 31, 2025October 1, 20252AZ1,005Community
Kingman Stopping Centerserving Kingman, AZAZ0408077Returned to compliance December 31, 2025October 1, 20254AZ650Non-transient non-community
Krazy K RV Parkserving Camp Verde, AZAZ0413069Returned to compliance December 31, 2025October 1, 20257AZ380Community
Di Giorgio School Water Systemserving Kern County, CACA1502068Returned to compliance December 31, 2025October 1, 202513CA268Non-transient non-community
El Adobe Poa, Inc.serving Kern County, CACA1500493Returned to compliance December 31, 2025October 1, 20254CA200Community
First Mutual Water Systemserving Kern County, CACA1502569Returned to compliance December 31, 2025October 1, 202518CA35Community
Golden State PFT Properties LLCserving Stanislaus County, CACA5000498Returned to compliance December 16, 2025Listed as inactive in SDWISOctober 1, 202518CA35Non-transient non-community
Grimmway Enterprises-Malaga Water Systemserving Kern County, CACA1503093Returned to compliance December 31, 2025October 1, 202511CA1,200Non-transient non-community
Hungry Gulch MWCserving Kern County, CACA1500436Returned to compliance December 31, 2025October 1, 202518CA36Community
Ironwood Campserving San Bernardino County, CACA3601015Returned to compliance December 31, 2025October 1, 20252CA45Community
Kern Mobile Estates LLCserving Kern County, CACA1500571Returned to compliance December 31, 2025October 1, 202518CA73Community
Lands of Promise MWCserving Kern County, CACA1500424Returned to compliance December 31, 2025October 1, 202517CA174Community
Olivares Farms Water Systemserving Merced County, CACA2400335Returned to compliance December 31, 2025October 1, 202517CA28Non-transient non-community
Rosamond School Water Systemserving Kern County, CACA1502231Returned to compliance December 31, 2025October 1, 202513CA940Non-transient non-community
Tranquillity Irrigation Districtserving Fresno County, CACA1010030Returned to compliance December 31, 2025October 1, 20254CA686Community
William Fisher Memorial Water Companyserving Kern County, CACA1500455Returned to compliance December 31, 2025Listed as inactive in SDWISOctober 1, 202518CA20Community
Ovid Town ofserving Sedgwick County, COCO0158005Returned to compliance December 31, 2025October 1, 20251CO259Community
East Lynn Community Water Systemserving Vermilion County, ILIL1835200Returned to compliance December 31, 2025October 1, 20251IL112Community
Reeb Millwork (Delmarva Sash & DOOR)1315serving Queen Anne's County, MDMD1170033Returned to compliance December 31, 2025October 1, 20256MD159Non-transient non-community
Wymans of Maine-Cherryfield Factoryserving Cherryfield, MEME0002539Returned to compliance December 31, 2025October 1, 20255ME95Non-transient non-community
Atlas Valley Golf-Country Clubserving Genesee County, MIMI2056825Returned to compliance December 31, 2025October 1, 20252MI300Non-transient non-community
Goodrich Plazaserving Genesee County, MIMI2160225Returned to compliance December 31, 2025October 1, 20253MI100Non-transient non-community
H & R Screw Machine Products Incserving Osceola County, MIMI2025467Returned to compliance December 31, 2025Listed as inactive in SDWISOctober 1, 20251MI0Non-transient non-community
Hillside Plazaserving Flint, MIMI2124825Returned to compliance December 31, 2025Listed as inactive in SDWISOctober 1, 20254MI0Non-transient non-community
Kearsley-Burgtorf Education Centerserving Genesee County, MIMI2022625Returned to compliance December 31, 2025October 1, 20253MI50Transient non-community
Cascilla Water Associationserving Tallahatchie County, MSMS0680001Returned to compliance December 31, 2025October 1, 20256MS837Community
Zia Pueblo(NM in EPA records)063500123Returned to compliance December 31, 2025October 1, 20257NM775Community
Diamond Plasticsserving Humboldt County, NVNV0001148Returned to compliance December 31, 2025October 1, 20254NV38Non-transient non-community
Speed Vegasserving Clark County, NVNV0004108Returned to compliance December 31, 2025October 1, 202513NV235Non-transient non-community
Fleischmanns Villageserving Fleischmanns, NYNY1200261Returned to compliance December 31, 2025October 1, 20257NY352Community
Quads at Windhamserving Windham, NYNY1921452Returned to compliance December 31, 2025October 1, 20254NY166Community
Heritage Private Schoolserving Wayne County, OHOH8558912Returned to compliance December 31, 2025Listed as inactive in SDWISOctober 1, 20255OH85Non-transient non-community
Deer Creekserving Grant County, OKOK2002711Returned to compliance December 31, 2025October 1, 20255OK147Community
Fort Sill Apache Tribe Truck Stopserving Deming, OK063500880Returned to compliance December 31, 2025October 1, 20254OK754Non-transient non-community
Stonetown Clearview MHCserving Cleveland County, OKOK2001483Returned to compliance December 31, 2025October 1, 20252OK170Community
Jim Wells County FWSD 1serving Jim Wells County, TXTX1250030Returned to compliance December 31, 2025October 1, 202512TX1,950Community
American Legion Post 90serving Pownal, VTVT0021059Returned to compliance December 31, 2025October 1, 20253VT201Transient non-community
Cluckin Cafe & Cones Point Country Storeserving Poultney, VTVT0021574Returned to compliance December 31, 2025October 1, 20253VT33Transient non-community
Farnsworth Campserving Thetford, VTVT0006408Returned to compliance December 31, 2025October 1, 202512VT306Transient non-community
Country Villa Mobile Parkserving Stevens County, WAWA5315518Returned to compliance December 31, 2025October 1, 20251WA162Community
Ridgeview Estates Community Assn.serving Island County, WAWA5326791Returned to compliance December 31, 2025October 1, 202515WA75Community
Harvest View MHCserving Union Grove, WIWI2520201Returned to compliance December 31, 2025October 1, 20251WI400Community
Humble Oakserving East Troy, WIWI2651983Returned to compliance December 31, 2025Listed as inactive in SDWISOctober 1, 20251WI60Non-transient non-community
Agriland Farmingserving Madera County, CACA2000866Returned to compliance September 30, 2025July 1, 202513CA60Non-transient non-community
Cobles Cornerserving Stanislaus County, CACA5000033Returned to compliance September 30, 2025July 1, 202514CA50Community
Delta Mutual Water Companyserving Contra Costa County, CACA0707573Returned to compliance September 30, 2025July 1, 202514CA333Community
The Village Mobile Home Parkserving Los Angeles County, CACA1900520Returned to compliance September 30, 2025July 1, 202517CA71Community
Eckley Town ofserving Yuma County, COCO0163001Returned to compliance September 30, 2025July 1, 20251CO235Community
Curley Creek Water Assnserving Boundary County, IDID1110008Returned to compliance September 30, 2025July 1, 20251ID50Community
Elliottserving Elliott, ILIL0530050Returned to compliance September 30, 2025July 1, 20251IL269Community
Geneseo Hickory Hills HOAserving Henry County, ILIL0730080Returned to compliance September 30, 2025July 1, 20255IL83Community
Valley View Manorserving Champaign County, ILIL0195865Returned to compliance September 30, 2025July 1, 20252IL120Community
Delivery Concepts, Inc - Plant 4serving Osceola, ININ2710187Returned to compliance September 30, 2025Listed as inactive in SDWISJuly 1, 20255IN30Non-transient non-community
Digger Specialties Corporate Officeserving Bremen, ININ2500055Returned to compliance September 30, 2025July 1, 20251IN40Non-transient non-community
Indiana Meats & Poultry Processing, Incserving LaGrange County, ININ2440978Returned to compliance September 30, 2025Listed as inactive in SDWISJuly 1, 20251IN30Transient non-community
Portland Forgeserving Portland, ININ2380060Returned to compliance September 30, 2025July 1, 20251IN137Non-transient non-community
Country Villageserving Ottawa County, MIMI0040418Returned to compliance September 30, 2025July 1, 20254MI78Community
Performance Fabricatingserving Genesee County, MIMI2161625Returned to compliance September 30, 2025Listed as inactive in SDWISJuly 1, 20254MI30Non-transient non-community
Len Busch Rosesserving Hennepin County, MNMN5270792Returned to compliance September 30, 2025July 1, 20258MN160Non-transient non-community
Sundale Hutterian Associationserving Sargent County, NDND4101452Returned to compliance September 30, 2025July 1, 20253ND110Community
Oyster River Condosserving Lee, NHNH1332010Returned to compliance September 30, 2025July 1, 20252NH53Community
Sig Sauer Experienceserving Epping, NHNH0766070Returned to compliance September 30, 2025July 1, 20256NH36Non-transient non-community
The Reserve at Snows Brookserving Plaistow, NHNH1932240Returned to compliance September 30, 2025July 1, 20251NH85Community
Sweetwater NTUAserving Sweetwater, Red Mesa, Navajo NationNN0400399Returned to compliance September 30, 2025July 1, 20255NN2,014Community
Toadlena NTUAserving Toadlena, Two Grey Hills, Navajo NationNN3503028Returned to compliance September 30, 2025July 1, 202517NN903Community
Shoshone Estates Water CO Incserving Nye County, NVNV0005028Returned to compliance September 30, 2025July 1, 202517NV240Community
Menoserving Major County, OKOK2004401Returned to compliance September 30, 2025July 1, 20257OK195Community
Brush Creek Country Estatesserving Bedford County, PAPA4050008Returned to compliance September 30, 2025July 1, 20253PA98Community
Lanchester Landfillserving Lancaster County, PAPA7360490Returned to compliance September 30, 2025July 1, 202515PA28Non-transient non-community
Lazy K Campgroundserving Berks County, PAPA3060105Returned to compliance September 30, 2025July 1, 20252PA75Community
Cotton Bayou Parkserving Chambers County, TXTX0360004Returned to compliance September 30, 2025July 1, 20259TX270Community
Jim Hogg County Wcid 2serving Jim Hogg County, TXTX1240001Returned to compliance September 30, 2025July 1, 202517TX5,397Community
Mirando City WSCserving Webb County, TXTX2400025Returned to compliance September 30, 2025July 1, 20257TX460Community
Town of Anthonyserving El Paso County, TXTX0710001Returned to compliance September 30, 2025July 1, 20253TX5,555Community
Webb County Consolidated Isdserving Webb County, TXTX2400009Returned to compliance September 30, 2025Listed as inactive in SDWISJuly 1, 202512TX0Non-transient non-community
CW Mulholland Well 3serving Castleton, VTVT0020732Returned to compliance September 30, 2025Listed as inactive in SDWISJuly 1, 202511VT25Transient non-community
North Slope Estates Propertyserving Franklin County, WAWA5310761Returned to compliance September 30, 2025July 1, 20252WA97Community
Diomede Joint Utilitiesserving Little Diomede, AKAK2340141Returned to compliance June 30, 2025April 1, 20258AK83Community
Acme Water - Blue Hillsserving Cottonwood, AZAZ0413055Returned to compliance June 30, 2025April 1, 20251AZ138Community
Castle Rockserving Lake Havasu City, AZAZ0408302Returned to compliance June 30, 2025Listed as inactive in SDWISApril 1, 20253AZ0Community
Greenfield Ranchettesserving Chandler, AZAZ0407492Returned to compliance June 30, 2025April 1, 20254AZ53Community
Pomerene Dwidserving Pomerene, AZAZ0402012Returned to compliance June 30, 2025April 1, 20251AZ1,618Community
Tacna Water Management Companyserving Tacna, AZAZ0414018Returned to compliance June 30, 2025Listed as inactive in SDWISApril 1, 202516AZ1Community
Whispering Winds Apartmentsserving Chino Valley, AZAZ0413487Returned to compliance June 30, 2025April 1, 202510AZ60Community
60TH Street Assoc. Water Systemserving Kern County, CACA1502744Returned to compliance June 30, 2025April 1, 20252CA39Community
Angelique Maelee Properties(CA in EPA records)090600043Returned to compliance June 30, 2025April 1, 20255CA50Community
Desert Breeze Mobile Home Estatesserving Kern County, CACA1502247Returned to compliance June 30, 2025Listed as inactive in SDWISApril 1, 20251CA82Community
Land Projects Mutual Water CO.serving Los Angeles County, CACA1910246Returned to compliance June 30, 2025April 1, 202516CA2,800Community
Marquez Rentalserving Madera County, CACA2000800Returned to compliance June 30, 2025April 1, 20253CA50Community
Rim Rock Water Companyserving San Luis Obispo County, CACA4000750Returned to compliance June 30, 2025April 1, 202516CA55Community
Twin Lakes Resortserving San Diego County, CACA3701793Returned to compliance June 30, 2025April 1, 202515CA400Community
Warner Unified School Districtserving San Diego County, CACA3701010Returned to compliance June 30, 2025April 1, 202516CA250Non-transient non-community
Cal-Maine Foods Inc.serving Warsaw, ININ2430921Returned to compliance June 30, 2025April 1, 20251IN110Non-transient non-community
Northfield Elementaryserving Wabash, ININ2850836Returned to compliance June 30, 2025April 1, 20252IN300Non-transient non-community
Stockton Head Startserving Worcester County, MDMD1230012Returned to compliance June 30, 2025April 1, 20251MD68Non-transient non-community
Msad 06 Frank Jewett Schoolserving Buxton, MEME0093804Returned to compliance June 30, 2025April 1, 20254ME60Non-transient non-community
Village at Rockport #1serving Rockport, MEME0092711Returned to compliance June 30, 2025April 1, 20254ME30Community
Addisonserving Addison, MIMI0000030Returned to compliance June 30, 2025April 1, 20254MI605Community
Argentine Care Centerserving Genesee County, MIMI0066355Returned to compliance June 30, 2025April 1, 20251MI60Community
Elizabethserving Otter Tail County, MNMN1560028Returned to compliance June 30, 2025April 1, 202510MN168Community
Milford Colony Incserving Wolf Creek, MTMT0001646Returned to compliance June 30, 2025April 1, 20255MT67Community
12 Tallwoodserving Bow, NHNH0268140Returned to compliance June 30, 2025April 1, 20253NH70Non-transient non-community
Bovie Screen Process Printingserving Bow, NHNH0266020Returned to compliance March 31, 2026April 1, 20251NH32Non-transient non-community
Walker River Paiute Tribeserving Walker River, NV093200360Returned to compliance June 30, 2025April 1, 20252NV662Community
Lodges at Cairoserving Cairo, NYNY1905404Returned to compliance June 30, 2025April 1, 20256NY90Community
37 Mobile Homesserving Cleveland County, OKOK4001470Returned to compliance June 30, 2025April 1, 20254OK50Community
Manzanita Hills Subdivisionserving Jackson County, OROR4106155Returned to compliance June 30, 2025April 1, 202515OR30Community
Wanblee East(SD in EPA records)084690021Returned to compliance June 30, 2025April 1, 20252SD2,179Community
R M S WSCserving McLennan County, TXTX1550136Returned to compliance June 30, 2025Listed as inactive in SDWISApril 1, 202513TX0Community
Town of Woodsboroserving Refugio County, TXTX1960003Returned to compliance June 30, 2025April 1, 202510TX1,233Community
Westport Water Departmentserving Grays Harbor County, WAWA5395300Returned to compliance June 30, 2025April 1, 20254WA5,346Community
Desert Sky Dwidserving Salome, AZAZ0415122Returned to compliance September 24, 2025January 1, 20251AZ72Community
Fort McDowell Community(AZ in EPA records)090400088Returned to compliance March 31, 2025January 1, 20253AZ7,260Community
Second Mesa Day School - BIA(AZ in EPA records)090400057Returned to compliance March 31, 2025January 1, 20254AZ255Community
Musd-Nile Garden Schoolserving San Joaquin County, CACA3901169Returned to compliance March 31, 2025Listed as inactive in SDWISJanuary 1, 202513CA804Non-transient non-community
TN Trussserving Los Angeles County, CACA1900040Returned to compliance March 31, 2025January 1, 20259CA35Non-transient non-community
Lakeside Village-Apserving Avon Park, FLFL6280136Returned to compliance March 31, 2025January 1, 20253FL128Community
Hazelwood Heights Subdivisionserving Henry County, ILIL0735220Returned to compliance March 31, 2025January 1, 20251IL235Community
Four Friends Rentals LLCserving Bainbridge, ININ2670018Returned to compliance March 31, 2025Listed as inactive in SDWISJanuary 1, 20255IN30Non-transient non-community
Or-An Trailer Courtserving Angola, ININ5276015Returned to compliance March 31, 2025January 1, 20252IN55Community
Three Rivers M H Communityserving Brownville, MEME0008251Returned to compliance March 31, 2025January 1, 20255ME63Community
Meadow Streams Estatesserving Berrien County, MIMI0040061Returned to compliance March 31, 2025January 1, 20254MI293Community
Western Pines Apartmentsserving Genesee County, MIMI0004754Returned to compliance March 11, 2025Listed as inactive in SDWISJanuary 1, 202514MI50Community
Westhaven Mobile Home Park, LLCserving Genesee County, MIMI0040162Returned to compliance March 31, 2025January 1, 20258MI122Community
Starland HB, Inc.serving Sibley County, MNMN1720009Returned to compliance March 31, 2025January 1, 202514MN100Community
Titan Machineryserving Clay County, MNMN5140239Returned to compliance March 31, 2025January 1, 20255MN34Non-transient non-community
Nestle Purina Petcare Companyserving Bloomfield, MOMO4180594Returned to compliance March 31, 2025January 1, 20251MO525Non-transient non-community
Dakota Magic Casino(ND in EPA records)083890026Returned to compliance March 31, 2025January 1, 20251ND2,360Community
Belen Water Systemserving Belen, NMNM3524932Returned to compliance March 31, 2025January 1, 202510NM10,830Community
Equestrian Estates CO Op Water Assocserving Clark County, NVNV0000109Returned to compliance March 3, 2025January 1, 20256NV108Community
Yerington (Campbell Ranch)serving Cambell Ranch, NV093200171Returned to compliance March 31, 2025January 1, 20252NV512Community
Kinderhook Commonsserving Columbia County, NYNY1030219Returned to compliance December 31, 2025January 1, 20252NY230Non-transient non-community
Mineral Springs Park MHPserving Bethel, NYNY5201442Returned to compliance March 31, 2025January 1, 20251NY66Community
Spencerport Assembly of Godserving Ogden, NYNY2730001Returned to compliance March 31, 2025January 1, 20251NY75Transient non-community
White Pines Mobile Home Parkserving Eaton, NYNY2600976Returned to compliance March 31, 2025January 1, 20251NY49Community
Amesserving Major County, OKOK2004403Returned to compliance March 31, 2025January 1, 20255OK199Community
Durham Nock Elem Schoolserving Bucks County, PAPA1091297Returned to compliance March 31, 2025January 1, 20252PA336Non-transient non-community
Nambe Pueblo(Tribal systems (no state listed) in EPA records)063500119Returned to compliance March 31, 2025January 1, 20254TR800Community
Putnams Landingserving Polk County, TXTX1870045Returned to compliance March 31, 2025January 1, 20254TX372Community
Spring Creek Pure Utilitiesserving Polk County, TXTX1870149Returned to compliance March 31, 2025January 1, 202515TX498Community
Timer Water Systemserving Orange County, TXTX1810170Returned to compliance March 31, 2025January 1, 20254TX46Community
Beachwood Water Companyserving Island County, WAWA5304980Returned to compliance March 31, 2025January 1, 20259WA90Community
Isle Aire Beach Associationserving Whatcom County, WAWA5336268Returned to compliance March 31, 2025January 1, 20254WA125Community
Lower Valley Energyserving Teton County, WYWY5601403Returned to compliance March 31, 2025Listed as inactive in SDWISJanuary 1, 20254WY10Non-transient non-community
Big Park Water Companyserving Sedona, AZAZ0413012Returned to compliance December 31, 2024October 1, 20245AZ7,392Community
Clearwater Utility Company Incserving Buckeye, AZAZ0407019Returned to compliance December 10, 2024October 1, 20241AZ2,747Community
Colusa CO. WWD #1 - Grimesserving Colusa County, CACA0600008Returned to compliance December 31, 2024October 1, 202414CA512Community
Corral DE Tierra Estates WCserving Monterey County, CACA2700536Returned to compliance December 31, 2024Listed as inactive in SDWISOctober 1, 202414CA45Community
Laguna Seca WCserving Monterey County, CACA2700612Returned to compliance December 31, 2024October 1, 202414CA162Community
Moro RD WS #09serving Monterey County, CACA2701926Returned to compliance December 31, 2024October 1, 202414CA210Community
Psmcsd - Vierra Estates WSserving Monterey County, CACA2702007Returned to compliance December 31, 2024October 1, 20243CA164Community
Attapulgusserving Attapulgus, GAGA0870000Returned to compliance December 31, 2024October 1, 202413GA750Community
Mallard Water Supplyserving Mallard, IAIA7450019Returned to compliance December 31, 2024October 1, 20248IA257Community
River Ridge Estates Water Systemserving St. Martin Parish County, LALA1099023Returned to compliance December 31, 2024Listed as inactive in SDWISOctober 1, 202414LA75Community
Harmon Pines Developmentserving Buxton, MEME0092364Returned to compliance December 31, 2024October 1, 20242ME50Community
Muskegon River Youth Opportunityserving Osceola County, MIMI2017267Returned to compliance December 31, 2024October 1, 20242MI151Non-transient non-community
Rj's Caring Angelsserving Genesee County, MIMI2142025Returned to compliance December 31, 2024October 1, 20242MI47Non-transient non-community
Morrill Public Schools Ag Ed Complexserving Morrill, NENE3120242Returned to compliance December 31, 2024October 1, 20243NE55Non-transient non-community
Prairie Hill Learning Centerserving Roca, NENE3120259Returned to compliance December 9, 2024October 1, 20241NE120Non-transient non-community
Camino Real Regional Utility Authorityserving Sunland Park, NMNM3502507Returned to compliance December 31, 2024October 1, 202417NM21,930Community
Lhoist North Americaserving Clark County, NVNV0001000Returned to compliance December 31, 2024October 1, 202411NV136Non-transient non-community
Dunco Incserving Hoosick, NYNY4130293Returned to compliance December 31, 2024October 1, 20241NY250Transient non-community
Moore Public Works Authorityserving Cleveland County, OKOK2001412Returned to compliance December 31, 2024October 1, 20243OK55,083Community
Ellinger Sewer and WSCserving Fayette County, TXTX0750014Returned to compliance December 31, 2024October 1, 202414TX573Community
Highgate Village Marketserving Highgate, VTVT0021032Returned to compliance December 31, 2024October 1, 20241VT31Transient non-community
Homestead Manufactured Housingserving Benton County, WAWA5318180Returned to compliance December 31, 2024October 1, 20241WA300Community
Nisqually Commercial Parkserving Thurston County, WAWA5359575Returned to compliance December 31, 2024October 1, 20249WA940Non-transient non-community
Saratoga Water Districtserving Island County, WAWA5376300Returned to compliance December 31, 2024October 1, 202410WA477Community
Radiant Church - Anchorage(AK in EPA records)AK2212623Returned to compliance September 30, 2024Listed as inactive in SDWISJuly 1, 20244AK0Transient non-community
Ak-Chin Southern Dunes Golf Club(AZ in EPA records)090400098Returned to compliance October 30, 2024July 1, 20243AZ270Non-transient non-community
Echo Valley School WSserving Monterey County, CACA2700552Returned to compliance October 1, 2024July 1, 20247CA579Non-transient non-community
Grange Hall WSserving Monterey County, CACA2702550Returned to compliance September 30, 2024Listed as inactive in SDWISJuly 1, 202413CA25Non-transient non-community
Lanesboro Water Worksserving Lanesboro, IAIA1449053Returned to compliance August 8, 2024July 1, 20247IA119Community
Meadowview Elementary Schoolserving Shipshewana, ININ2441066Returned to compliance September 30, 2024July 1, 20241IN411Non-transient non-community
Oak Wood Circleserving Pierceton, ININ5243064Returned to compliance September 30, 2024July 1, 20243IN30Community
CVD Ceramicsserving Iberia Parish County, LALA2045071Returned to compliance September 30, 2024July 1, 20248LA25Non-transient non-community
Washington County Community College #1serving Calais, MEME0309196Returned to compliance September 30, 2024July 1, 20246ME99Non-transient non-community
Northwoods Communityserving Shiawassee County, MIMI0040453Returned to compliance September 30, 2024July 1, 20242MI238Community
Spicer's Boat Cityserving Roscommon County, MIMI2047772Returned to compliance September 30, 2024July 1, 20241MI200Non-transient non-community
Lee Marketplaceserving Lee, NHNH1336020Returned to compliance September 30, 2024Listed as inactive in SDWISJuly 1, 20248NH25Non-transient non-community
Prospect Mountain High SCHserving Alton, NHNH0065020Returned to compliance September 30, 2024July 1, 20244NH500Non-transient non-community
Red Mesa NTUAserving Red Mesa, Navajo NationNN4903017Returned to compliance September 30, 2024July 1, 20244NN1,023Community
Fairway Billiardsserving Granby, NYNY3709744Returned to compliance September 30, 2024Listed as inactive in SDWISJuly 1, 20244NY0Transient non-community
PARADISE/ROGUE Meadows WSserving Jackson County, OROR4100268Returned to compliance September 30, 2024July 1, 20244OR165Community
Brazoria County Sheriffs Office Detentioserving Brazoria County, TXTX0200412Returned to compliance September 30, 2024July 1, 20244TX1,953Community
City of Liverpoolserving Brazoria County, TXTX0200555Returned to compliance September 30, 2024July 1, 20244TX500Community
City of Meadowserving Terry County, TXTX2230002Returned to compliance September 30, 2024July 1, 20247TX593Community
M S WSCserving McLennan County, TXTX1550037Returned to compliance September 30, 2024July 1, 202417TX744Community
Campo Haciendaserving Island County, WAWA5310992Returned to compliance September 30, 2024July 1, 20242WA123Community
Georgetown Water Associationserving Island County, WAWA5312636Returned to compliance September 30, 2024July 1, 20241WA32Community
River Terrace TCserving Soldotna, AKAK2241012Returned to compliance June 30, 2024Listed as inactive in SDWISJune 1, 202421AK23Community
Parkside Community Churchserving Camp Verde, AZAZ0413450Returned to compliance June 30, 2024April 1, 20241AZ88Non-transient non-community
Sierra Vista RV Parkserving Casa Grande, AZAZ0411383Returned to compliance June 30, 2024April 1, 202413AZ160Community
Almira Water Associationserving San Luis Obispo County, CACA4000631Returned to compliance June 30, 2024April 1, 202413CA40Community
DD Mobile Home Park(CA in EPA records)090605160Returned to compliance June 30, 2024April 1, 20243CA275Community
Fountain Trailer Park Waterserving Kern County, CACA1500461Returned to compliance June 30, 2024Listed as inactive in SDWISApril 1, 202411CA68Community
Mettler Valley Mutualserving Los Angeles County, CACA1900100Returned to compliance June 30, 2024April 1, 202411CA160Community
Mitchell's Avenue E Mobile Home Parkserving Los Angeles County, CACA1900785Returned to compliance June 30, 2024April 1, 202411CA27Community
Netto Ag Inc.serving Kings County, CACA1600609Returned to compliance June 30, 2024April 1, 202412CA50Non-transient non-community
North Trails Mutual Water Companyserving Los Angeles County, CACA1907014Returned to compliance June 30, 2024April 1, 20247CA100Community
Rancho Marinaserving Sacramento County, CACA3400149Returned to compliance June 30, 2025April 1, 20241CA60Community
Rose Villa Apartmentsserving Kern County, CACA1500426Returned to compliance June 30, 2024Listed as inactive in SDWISApril 1, 20243CA65Community
Sutcliffeserving Sutcliffe, CA093200362Returned to compliance June 30, 2024April 1, 20245CA250Community
Winterhaven Mobile Estatesserving Los Angeles County, CACA1900961Returned to compliance June 30, 2024April 1, 202412CA56Community
Valley Mobile Home LLCserving Alamosa County, COCO0102300Returned to compliance June 30, 2024April 1, 202412CO85Community
Prides Corner Farmhouse, Inc.serving Lebanon, CTCT0719073Returned to compliance June 30, 2024April 1, 20247CT50Non-transient non-community
Port of the Islandsserving Naples, FLFL5110230Returned to compliance June 30, 2024April 1, 20241FL1,200Community
Cassandra Hills Owners Assnserving Benewah County, IDID1050004Returned to compliance June 30, 2024April 1, 20241ID57Community
McLane Northeastserving Hopkinton, NHNH1196030Returned to compliance June 30, 2024April 1, 20241NH300Non-transient non-community
Mexican Water NTUAserving Mexican Water, Todahaidekani South, Navajo NationNN4903072Returned to compliance June 30, 2024April 1, 20248NN294Community
Stagecoach Gidserving Lyon County, NVNV0000224Returned to compliance June 30, 2024April 1, 20242NV1,628Community
Triad Middle Schoolserving Champaign County, OHOH1134912Returned to compliance June 30, 2024April 1, 20244OH675Non-transient non-community
City of Bay Cityserving Matagorda County, TXTX1610001Returned to compliance June 30, 2024April 1, 20246TX18,061Community
Kitzwood Subdivisionserving Harris County, TXTX1011536Returned to compliance June 30, 2024April 1, 20243TX102Community
Peaceful Lane Villageserving Lubbock County, TXTX1520039Returned to compliance June 30, 2024Listed as inactive in SDWISApril 1, 202411TX21Community
San Diego MUD 1serving Duval County, TXTX0660003Returned to compliance June 30, 2024April 1, 20244TX6,291Community
Lake Bomoseen Lodgeserving Castleton, VTVT0001285Returned to compliance June 25, 2024April 1, 20242VT425Transient non-community
Bonnie View Waterserving Island County, WAWA5307700Returned to compliance June 30, 2024April 1, 20246WA50Community
Hickmans Egg Ranchserving Buckeye, AZAZ0407791Returned to compliance March 31, 2024January 1, 20241AZ376Non-transient non-community
Monte Vista Water Companyserving Douglas, AZAZ0402043Returned to compliance March 31, 2024January 1, 20242AZ150Community
Sierra Pacific Mobile Manorserving Yuma, AZAZ0414098Returned to compliance March 31, 2024January 1, 20241AZ816Community
Valle Escondidoserving Maricopa, AZAZ0411409Returned to compliance March 31, 2024January 1, 20243AZ405Community
Baker Commodities Inc.serving Kings County, CACA1600605Returned to compliance March 31, 2024January 1, 202411CA47Non-transient non-community
Harmony Villageserving Sutter County, CACA5100125Returned to compliance March 31, 2024January 1, 20242CA25Community
North Edwards WDserving Kern County, CACA1510052Returned to compliance March 31, 2024January 1, 202411CA1,105Community
Sunset Apartments WSserving Kern County, CACA1500442Returned to compliance March 31, 2024Listed as inactive in SDWISJanuary 1, 202410CA31Community
Westhaven MHP LLCserving Warsaw, ININ5243028Returned to compliance March 31, 2024January 1, 20241IN417Community
Nouria Energy-Hollisserving Hollis, MEME0095004Returned to compliance March 31, 2024January 1, 20241ME25Transient non-community
Cedar Springsserving Cedar Springs, MIMI0001260Returned to compliance March 31, 2024January 1, 20241MI3,520Community
MRS. Michael's Buildingserving Livingston County, MIMI2067947Returned to compliance March 31, 2024January 1, 20241MI76Non-transient non-community
The Stepping Stoneserving Oakland County, MIMI2224963Returned to compliance March 22, 2024January 1, 20241MI65Non-transient non-community
Valmet DBA StoneLserving Otter Tail County, MNMN5560996Returned to compliance March 31, 2024January 1, 202411MN25Non-transient non-community
Vermilion(MN in EPA records)055294402Returned to compliance December 31, 2024January 1, 20241MN450Community
Verdesian Incserving Cape Girardeau County, MOMO4283342Returned to compliance March 31, 2024Listed as inactive in SDWISJanuary 1, 20248MO120Non-transient non-community
Lamington Hillserving Stratham, NHNH2232170Returned to compliance March 31, 2024January 1, 20248NH35Community
NH Auto Dealers Assnserving Bow, NHNH0266140Returned to compliance March 31, 2024January 1, 20241NH104Non-transient non-community
Stratham Woodsserving Stratham, NHNH2232090Returned to compliance March 31, 2024January 1, 20244NH38Community
Pojoaque South(NM in EPA records)063501100Returned to compliance March 31, 2024January 1, 20241NM3,644Community
Aneth NTUAserving Aneth, Navajo NationNN4900220Returned to compliance March 31, 2024January 1, 202411NN1,481Community
Dilcon Community Boarding School BIAserving Dilcon, Navajo NationNN0436006Returned to compliance March 31, 2024January 1, 20241NN473Community
Isabella Pearl Mineserving Mineral County, NVNV0001178Returned to compliance March 31, 2024January 1, 20245NV65Non-transient non-community
Dollar General Parishserving Parish, NYNY3730196Returned to compliance March 31, 2024January 1, 20249NY25Transient non-community
Osgood State Bankserving Darke County, OHOH1938712Returned to compliance March 31, 2024January 1, 20241OH65Non-transient non-community
Scofield Mobile Home Courtserving Marion County, OROR4101025Returned to compliance March 31, 2024January 1, 20244OR39Community
Country View Manor Ywcserving York County, PAPA7670129Returned to compliance March 31, 2024January 1, 20246PA125Community
DDLC Corporationserving Perry County, PAPA7500839Returned to compliance March 31, 2024January 1, 20243PA100Non-transient non-community
Pinedale Mobile Home Parkserving Crawford County, PAPA6200076Returned to compliance March 31, 2024January 1, 20247PA80Community
Trumbauersville Mun Waterworksserving Bucks County, PAPA1090091Returned to compliance March 31, 2024January 1, 20244PA974Community
Bruni Rural WSCserving Webb County, TXTX2400003Returned to compliance March 31, 2024January 1, 202411TX350Community
City of Andrewsserving Andrews County, TXTX0020001Returned to compliance March 31, 2024January 1, 20248TX14,109Community
Cypresswood Utility Districtserving Harris County, TXTX1010432Returned to compliance March 31, 2024January 1, 20241TX4,305Community
Kleinwood MUDserving Harris County, TXTX1010440Returned to compliance March 31, 2024January 1, 20241TX4,872Community
PB & SC Water Supply Corporationserving San Jacinto County, TXTX2040024Returned to compliance March 31, 2024January 1, 202414TX2,163Community
Deer Lake Haven Incserving Island County, WAWA5318450Returned to compliance March 31, 2024January 1, 20242WA90Community
Topcon Positioning Systemsserving Fort Atkinson, WIWI1280577Returned to compliance March 31, 2024January 1, 20241WI105Non-transient non-community
Deseret - Oasis SSDserving Millard County, UTUTAH14051Returned to compliance December 31, 2023December 1, 20235UT490Community
Hinckley Town Water Systemserving Millard County, UTUTAH14004Returned to compliance December 31, 2023December 1, 20235UT630Community
Polaccaserving First Mesa Consolidated Villages, AZ090400106Returned to compliance December 31, 2023October 1, 202310AZ3,890Community
Shungopaviserving Shungopavi, AZ090400259Returned to compliance December 31, 2023October 1, 202310AZ1,430Community
Bella Vista Water Sysserving Contra Costa County, CACA0707589Returned to compliance December 31, 2023October 1, 202310CA93Community
Magnolia Mutual Waterserving Sacramento County, CACA3400130Returned to compliance June 30, 2025October 1, 20232CA90Community
R.s. Mutual Water Companyserving Kern County, CACA1500458Returned to compliance December 31, 2023October 1, 20231CA35Community
Salmon Creek Middle Schoolserving Sonoma County, CACA4901168Returned to compliance December 31, 2023October 1, 20231CA300Non-transient non-community
The Lodge at Sonomaserving Sonoma County, CACA4901258Returned to compliance December 31, 2023October 1, 20231CA300Non-transient non-community
Dollar General-Reddick #12847serving Reddick, FLFL3425143Returned to compliance December 31, 2023October 1, 20231FL25Transient non-community
Maple Acres MHPserving Bureau County, ILIL0115135Returned to compliance December 31, 2023October 1, 20232IL260Community
Madison Elementary Schoolserving Wakarusa, ININ2710032Returned to compliance December 31, 2023October 1, 20233IN127Non-transient non-community
Northwest Flora List Child Careserving Jackson County, MIMI2006338Returned to compliance December 31, 2023October 1, 20231MI318Non-transient non-community
ST. Louis Centerserving Chelsea, MIMI0006325Returned to compliance December 31, 2023October 1, 20234MI56Community
Evergreen Terraceserving Lee, NHNH1333030Returned to compliance December 31, 2023October 1, 20235NH45Community
Fieldstone Industrial Parkserving Plaistow, NHNH1936270Returned to compliance December 31, 2023Listed as inactive in SDWISOctober 1, 20231NH75Non-transient non-community
Freedom HILL/PINE Ridge Estserving Loudon, NHNH1403030Returned to compliance December 31, 2023October 1, 20237NH370Community
South Weare Waterserving Weare, NHNH2452030Returned to compliance December 31, 2023October 1, 20234NH200Community
Homestead Villageserving Placitas, NMNM3581623Returned to compliance December 31, 2023October 1, 20236NM290Non-transient non-community
Delphi Falls Parkserving Pompey, NYNY3300991Returned to compliance December 31, 2023October 1, 20234NY78Community
Donovans Place(NY in EPA records)NY3511323Returned to compliance December 29, 2006Listed as inactive in SDWISOctober 1, 20231NY22Community
Oak Hills Mobile Home Parkserving Franklin County, OHOH2502112Returned to compliance December 31, 2023October 1, 20235OH505Community
South Vienna Village PWSserving Clark County, OHOH1204312Returned to compliance December 31, 2023October 1, 20237OH393Community
City of Midland Water Purification Plantserving Midland County, TXTX1650001Returned to compliance December 31, 2023October 1, 20231TX157,000Community
Victoria County Wcid 1serving Victoria County, TXTX2350001Returned to compliance December 31, 2023October 1, 20233TX2,462Community
Batemans Mosida Farmsserving Utah County, UTUTAH25184Returned to compliance December 31, 2023October 1, 20233UT90Community
Dairyland Farm LLCserving New Franken, WIWI4050030Returned to compliance December 19, 2023October 1, 20233WI54Non-transient non-community
Johns Disposal Service Incserving Whitewater, WIWI1280451Returned to compliance December 31, 2023Listed as inactive in SDWISOctober 1, 20235WI115Non-transient non-community
Ynp-Old Faithfulserving Yellowstone NP, WYWY5680085Returned to compliance December 31, 2023October 1, 20233WY7,745Community
Massena Water Supplyserving Massena, IAIA1558055Returned to compliance September 30, 2023September 1, 20231IA364Community
Cemex Calif Cement LLC Avserving San Bernardino County, CACA3601130Returned to compliance September 30, 2023July 1, 20239CA100Non-transient non-community
Rancho San Joaquin MWCserving San Benito County, CACA3500581Returned to compliance June 30, 2024July 1, 20232CA96Community
Rand Communities Water Districtserving Kern County, CACA1510016Returned to compliance September 30, 2023July 1, 20238CA303Community
Dwightserving Dwight, ILIL1050250Returned to compliance September 30, 2023July 1, 20231IL4,400Community
Fenton Harbor Condominiumsserving Genesee County, MIMI0002273Returned to compliance September 30, 2023July 1, 20238MI40Community
Harvey Swanson Elementary Schoolserving Oakland County, MIMI2106363Returned to compliance September 30, 2023July 1, 20231MI600Non-transient non-community
Maverick Building Systemsserving Oakland County, MIMI2291163Returned to compliance September 13, 2023Listed as inactive in SDWISJuly 1, 20231MI35Non-transient non-community
Rose Hill Centerserving Oakland County, MIMI0005816Returned to compliance September 30, 2023July 1, 20235MI70Community
The Pines of Goodrichserving Goodrich, MIMI0066695Returned to compliance September 30, 2023July 1, 20239MI40Community
San Lorenzo Elementary Schoolserving San Lorenzo, NMNM3590109Returned to compliance September 30, 2023Listed as inactive in SDWISJuly 1, 20232NM77Non-transient non-community
South Fork (Te-Moak)serving South Fork Band, NV093200366Returned to compliance September 30, 2023July 1, 20232NV40Community
Cascade Gorge Propertiesserving Jackson County, OROR4191556Returned to compliance September 30, 2023July 1, 20233OR33Community
Harper HIGH/ELEMENTARY SD 66serving Malheur County, OROR4190575Returned to compliance September 30, 2023July 1, 20234OR170Non-transient non-community
City of Wellmanserving Terry County, TXTX2230003Returned to compliance September 30, 2023July 1, 20239TX200Community
Harris County Wcid 114serving Harris County, TXTX1010317Returned to compliance September 30, 2023July 1, 20233TX5,160Community
Loop WSCserving Gaines County, TXTX0830011Returned to compliance September 30, 2023July 1, 20234TX300Community
Quail Creek MUDserving Victoria County, TXTX2350004Returned to compliance September 30, 2023July 1, 20234TX1,944Community
Victoria County Navigation Distserving Victoria County, TXTX2350051Returned to compliance September 30, 2023July 1, 20236TX90Non-transient non-community
Coldwater Canyon 1serving Black Canyon City, AZAZ0413020Returned to compliance June 30, 2023April 1, 20234AZ541Community
Oak Creek Water Districtserving Sedona, AZAZ0413041Returned to compliance June 30, 2023April 1, 20239AZ1,507Community
Lakeview Ranchos Mutual Water Companyserving Kern County, CACA1500525Returned to compliance June 30, 2023April 1, 20238CA120Community
Leisure Acres Mutual Water Companyserving Madera County, CACA2000534Returned to compliance June 30, 2023April 1, 20234CA45Community
Wylder Hotel Tilghman Islandserving Talbot County, MDMD1201021Returned to compliance May 30, 2023April 1, 20237MD80Non-transient non-community
Daybreak Foods - Otsegoserving Allegan County, MIMI2068503Returned to compliance June 28, 2023April 1, 20231MI50Non-transient non-community
Rhetechserving Livingston County, MIMI2076447Returned to compliance June 30, 2023April 1, 20231MI32Non-transient non-community
Samaritans Purse Conference Centerserving Watauga County, NCNC3095018Returned to compliance June 30, 2023April 1, 20234NC220Non-transient non-community
Epsom Healthcare CTRserving Epsom, NHNH0774010Returned to compliance June 30, 2023April 1, 20235NH240Community
Lancaster Farmsserving Salem, NHNH2052030Returned to compliance June 30, 2023April 1, 20231NH303Community
Montrose Condosserving Stratham, NHNH2232070Returned to compliance June 30, 2023April 1, 20238NH210Community
Presidential PINES/UPPERserving Loudon, NHNH1403020Returned to compliance June 30, 2023April 1, 20231NH60Community
San Ysidro Water Supply Systemserving San Ysidro, NMNM3509723Returned to compliance June 30, 2023April 1, 20234NM166Community
City of Martserving McLennan County, TXTX1550005Returned to compliance June 30, 2023April 1, 20232TX1,846Community
Phelps SUDserving Walker County, TXTX2360009Returned to compliance June 30, 2023April 1, 20231TX1,900Community
Shumaker Enterprisesserving Travis County, TXTX2270407Returned to compliance June 30, 2023Listed as inactive in SDWISApril 1, 20238TX0Non-transient non-community
Woodland Acres Subdivisionserving Chambers County, TXTX0360027Returned to compliance June 30, 2023April 1, 20235TX643Community
Lakehouse Pub and Grilleserving Castleton, VTVT0020622Returned to compliance June 30, 2023April 1, 20231VT106Transient non-community
Mother Goose Family Daycare Centerserving Clintonville, WIWI4691049Returned to compliance June 30, 2023April 1, 20233WI66Non-transient non-community
Pump House Restaurantserving Fairbanks, AKAK2310984Returned to compliance March 31, 2023Listed as inactive in SDWISJanuary 1, 20231AK378Non-transient non-community
Old Sugar Mill Wineryserving Yolo County, CACA5700508Returned to compliance March 31, 2023January 1, 20236CA25Non-transient non-community
Ratto Bros, Incserving Stanislaus County, CACA5000499Returned to compliance March 31, 2023January 1, 20231CA110Non-transient non-community
Sky Acres Mutual Water Corpserving Madera County, CACA2000524Returned to compliance December 31, 2023January 1, 20231CA175Community
Fort Massac PWDserving Joppa, ILIL1275050Returned to compliance March 4, 2025January 1, 20231IL6,360Community
Golcondaserving Golconda, ILIL1510100Returned to compliance March 4, 2025January 1, 20231IL630Community
Holcim (US), Inc.serving Pulaski County, ILIL3042143Returned to compliance March 31, 2023Listed as inactive in SDWISJanuary 1, 20231IL170Non-transient non-community
Industryserving Industry, ILIL1090300Returned to compliance January 21, 2025January 1, 20231IL475Community
Millstone PWDserving Pope County, ILIL1515050Returned to compliance January 10, 2025January 1, 20231IL5,565Community
Mitchellsville PWDserving Saline County, ILIL1655200Returned to compliance March 4, 2025January 1, 20231IL1,970Community
Saline Valley Conservancy Districtserving Eldorado, ILIL1655300Returned to compliance March 4, 2025January 1, 20231IL3,921Community
Village of Downs NT - Cornbeltserving McLean County, ILIL3141184Returned to compliance March 31, 2023Listed as inactive in SDWISJanuary 1, 20237IL70Non-transient non-community
New Palestine Plazaserving New Palestine, ININ2300829Returned to compliance March 31, 2023Listed as inactive in SDWISJanuary 1, 20231IN50Non-transient non-community
Chop Point (Greenhouse)serving Woolwich, MEME0400949Returned to compliance March 31, 2023January 1, 20231ME123Non-transient non-community
Spinsfield Commonsserving Franklin, MEME0095655Returned to compliance March 31, 2023January 1, 20233ME45Community
Country Village Estates MHPserving Ogemaw County, MIMI0040408Returned to compliance March 31, 2023Listed as inactive in SDWISJanuary 1, 20231MI133Community
Thermovacserving Oakland County, MIMI2149163Returned to compliance March 27, 2023January 1, 20231MI64Non-transient non-community
Rough Rock Community High School BIAserving Rough Rock, Navajo NationNN0435212Returned to compliance March 31, 2023January 1, 20232NN350Non-transient non-community
Walker Lane Rawhide Mineserving Mineral County, NVNV0001156Returned to compliance March 31, 2023January 1, 20237NV90Non-transient non-community
Eastview Apartmentsserving Cairo, NYNY1920253Returned to compliance March 16, 2023Listed as inactive in SDWISJanuary 1, 20232NY71Community
Dexter Oaks Co-Opserving Lane County, OROR4100998Returned to compliance March 31, 2023January 1, 20237OR75Community
2848 South Main ST Rentalsserving Tioga County, PAPA2590816Returned to compliance March 31, 2023January 1, 20233PA40Transient non-community
Laurel MTN Lakes Water Associationserving Etowah and Madisonville, TNTN0000936Returned to compliance December 27, 2023January 1, 20231TN256Community
Hackberry Creek Subdivisionserving Chambers County, TXTX0360100Returned to compliance March 31, 2023January 1, 20233TX176Community
Tidehaven Consolidated JR & SR High Tisdserving Matagorda County, TXTX1610140Returned to compliance March 31, 2023January 1, 20237TX500Non-transient non-community
Amezcua - Garcia Waterserving Riverside County, CACA3301990Returned to compliance December 31, 2022October 1, 20223CA170Community
Lone Pine Oasisserving Inyo County, CACA1400037Returned to compliance December 31, 2022October 1, 20221CA52Transient non-community
Mitchells Camp Family Assoc.serving Imperial County, CACA1300555Returned to compliance December 31, 2022October 1, 20221CA125Community
Oasis Mobile Home Park(CA in EPA records)090605129Returned to compliance December 31, 2022October 1, 20226CA826Community
Prunedale MWCserving Monterey County, CACA2700702Returned to compliance December 31, 2022October 1, 20222CA277Community
Santa Rita Waterserving Santa Barbara County, CACA4200822Returned to compliance December 31, 2022October 1, 20226CA66Community
Utu Utu Gwaitu Paiute Tribeserving Benton Paiute Reservation, CA090600159Returned to compliance December 31, 2022October 1, 20225CA222Community
Colorado Mushroom Farm LLCserving Alamosa County, COCO0202666Returned to compliance July 1, 2022Listed as inactive in SDWISOctober 1, 20223CO150Non-transient non-community
Peetz Town ofserving Logan County, COCO0138030Returned to compliance December 31, 2022October 1, 20225CO295Community
G ; H Mobile Home Park Incserving Mulberry, FLFL6530091Returned to compliance December 31, 2022October 1, 20223FL80Community
Riverbend Estatesserving Power County, IDID6390018Returned to compliance December 31, 2022October 1, 20224ID92Community
County Line CH of GOD-AUDITORIUM/SCHOOLserving Allen County, ININ2020858Returned to compliance December 31, 2022October 1, 20226IN1,168Transient non-community
Glade, City ofserving Glade, KSKS2014708Returned to compliance December 31, 2022October 1, 20221KS52Community
ST Martin Industrial Park Water Systemserving St. Martin Parish County, LALA1099029Returned to compliance December 31, 2022October 1, 20224LA150Community
United Water Systemserving St. Martin Parish County, LALA1099009Returned to compliance December 31, 2022October 1, 20221LA4,446Community
Town of ST. Michaelsserving Talbot County, MDMD0200006Returned to compliance December 31, 2022October 1, 20223MD2,650Community
Hallowell Road Mobile Home Parkserving Litchfield, MEME0095679Returned to compliance December 31, 2022October 1, 20224ME25Community
Living Waters Christian Schoolserving Buxton, MEME0092457Returned to compliance December 31, 2022October 1, 20222ME135Non-transient non-community
VFW Pine Tree Post 887serving Augusta, MEME0013342Returned to compliance December 31, 2022October 1, 20221ME104Transient non-community
Hickory Hillsserving Calhoun County, MIMI0040084Returned to compliance September 7, 2022October 1, 20221MI708Community
Sandhill Estatesserving Lapeer County, MIMI0040592Returned to compliance December 31, 2022October 1, 20223MI75Community
Norcrossserving Grant County, MNMN1260007Returned to compliance December 31, 2022October 1, 20224MN50Community
Peacox Charitable Remainder Unitrustserving Nye County, NVNV0004067Returned to compliance December 31, 2022Listed as inactive in SDWISOctober 1, 20226NV0Non-transient non-community
Global Compression Services PWSserving Knox County, OHOH4244712Returned to compliance December 31, 2022Listed as inactive in SDWISOctober 1, 20226OH33Non-transient non-community
Prescott, City ofserving Columbia County, OROR4100692Returned to compliance December 31, 2022October 1, 20221OR70Community
G & W WSCserving Grimes County, TXTX0930048Returned to compliance December 31, 2022October 1, 20222TX1,650Community
Tega Kids Superplexserving Lubbock County, TXTX1520301Returned to compliance December 31, 2022Listed as inactive in SDWISOctober 1, 20226TX0Non-transient non-community
Dean Kincaid Inc Packing Shedsserving Palmyra, WIWI1280341Returned to compliance December 31, 2022Listed as inactive in SDWISOctober 1, 20226WI45Non-transient non-community
Hidden Meadows Well 2serving Watertown, WIWI1140158Returned to compliance December 31, 2022Listed as inactive in SDWISOctober 1, 20226WI166Community
Quiet Circle Apartmentsserving Wasilla, AKAK2224476Returned to compliance September 30, 2022July 1, 20223AK90Community
Southwood Manor TCserving Anchorage, AKAK2211677Returned to compliance September 30, 2022July 1, 20221AK1,005Community
Mishongnovi (Upper Sipaulovi/Upper Mishongnovi)serving Upper Sipaulovi, Upper Mishongnovi, AZ090400394Returned to compliance September 30, 2022July 1, 20225AZ490Community
Red Rock Crossing Mobile Villageserving Sedona, AZAZ0413074Returned to compliance September 30, 2022July 1, 20223AZ50Community
Sipaulovi (Lower Sipaulovi/Lower Mishongnovi)serving Lower Sipaulovi, Lower Mishongnovi, AZ090400107Returned to compliance September 30, 2022July 1, 20225AZ609Community
San Antonio Mobile Home Parkserving Riverside County, CACA3301380Returned to compliance September 30, 2022Listed as inactive in SDWISJuly 1, 20225CA340Community
Valley Teen Ranchserving Madera County, CACA2000785Returned to compliance September 30, 2022Listed as inactive in SDWISJuly 1, 20224CA50Community
Washington School WSserving Monterey County, CACA2701221Returned to compliance September 30, 2022July 1, 20225CA250Non-transient non-community
Willis Construction WSserving San Benito County, CACA3500919Returned to compliance September 30, 2022July 1, 20221CA76Non-transient non-community
Sunnyridge I Subdserving Canyon County, IDID3140119Returned to compliance September 30, 2022July 1, 20221ID35Community
Kingman Water Worksserving Kingman, ININ5223004Returned to compliance September 30, 2022July 1, 20225IN560Community
Nappanee Missionary Church - Well #2serving Nappanee, ININ2200254Returned to compliance September 30, 2022Listed as inactive in SDWISJuly 1, 20221IN2,545Non-transient non-community
Southern Wells JR./SR. High - Well 1serving Poneto, ININ2900010Returned to compliance September 30, 2022July 1, 20221IN980Non-transient non-community
Clayton, City ofserving Clayton, KSKS2013706Returned to compliance September 30, 2022July 1, 20224KS46Community
Brandon High SCHOOL/BSDserving Oakland County, MIMI2136163Returned to compliance September 30, 2022July 1, 20222MI1,200Non-transient non-community
Goodrich United Methodist Churchserving Genesee County, MIMI2159125Returned to compliance September 30, 2022July 1, 20221MI300Non-transient non-community
Lake Fenton West Shore Elementaryserving Genesee County, MIMI2068525Returned to compliance September 30, 2022Listed as inactive in SDWISJuly 1, 20221MI0Non-transient non-community
Old Orchard Estatesserving Genesee County, MIMI0040156Returned to compliance September 30, 2022July 1, 20224MI296Community
Springfield Town Squareserving Oakland County, MIMI2275363Returned to compliance September 30, 2022July 1, 20221MI1,200Non-transient non-community
Climaxserving Polk County, MNMN1600001Returned to compliance September 30, 2022July 1, 20223MN223Community
Golden Estates Trailer Courtserving Helena, MTMT0000597Returned to compliance June 30, 2022July 1, 20223MT225Community
Cliffdale Westserving Fayetteville, NCNC0326332Returned to compliance September 30, 2022July 1, 20221NC15,220Community
Alliance Airportserving Alliance, NENE3150038Returned to compliance September 26, 2022July 1, 20221NE55Non-transient non-community
Howard CO Dist 118 ST Libory Elmserving ST. Libory, NENE3120100Returned to compliance September 30, 2022July 1, 20221NE169Non-transient non-community
Fred Beans Toyotaserving Raritan TWP., NJNJ1021436Returned to compliance September 30, 2022July 1, 20224NJ79Non-transient non-community
Loma Escondida Water Associationserving Belen, NMNM3500432Returned to compliance September 30, 2022July 1, 20225NM84Community
Hawks Pointserving Lane County, OROR4101465Returned to compliance September 30, 2022July 1, 20222OR75Community
Childrens Choice Learning Centerserving Fort Bend County, TXTX0790424Returned to compliance September 30, 2022July 1, 20222TX100Non-transient non-community
Deys RV and Mobile Parkserving Andrews County, TXTX0020015Returned to compliance September 30, 2022July 1, 20225TX222Community
Jaguars Gold Club Lubbockserving Lubbock County, TXTX1520263Returned to compliance September 30, 2022Listed as inactive in SDWISJuly 1, 20225TX0Non-transient non-community
Sugar Pines MHPserving Orange County, TXTX1810103Returned to compliance September 30, 2022July 1, 20221TX170Community
Valley Acres MHP Water Systemserving El Paso County, TXTX0710139Returned to compliance September 30, 2022July 1, 20221TX54Community
Whispering Hills Achievement Centerserving Fayette County, TXTX0750044Returned to compliance September 30, 2022Listed as inactive in SDWISJuly 1, 20224TX0Non-transient non-community
Tremain Mobile Home Parkserving Dousman, WIWI1280127Returned to compliance September 30, 2022July 1, 20224WI475Community
Sebastiani Vineyardsserving Sonoma County, CACA4900925Returned to compliance April 6, 2023April 12, 20221CA65Transient non-community
Meadow Brook Subdivisionserving Wasilla, AKAK2220037Returned to compliance June 30, 2022April 1, 20224AK465Community
CVV Academyserving Orlando, FLFL3484423Returned to compliance June 30, 2022Listed as inactive in SDWISApril 1, 20224FL154Non-transient non-community
Meander Point Subdserving Twin Falls County, IDID5420040Returned to compliance June 30, 2022April 1, 20222ID140Community
Borkholder Buildingserving Marshall County, ININ2500047Returned to compliance June 30, 2022April 1, 20222IN60Non-transient non-community
Jay County Retirement Centerserving Portland, ININ2380801Returned to compliance June 30, 2022Listed as inactive in SDWISApril 1, 20221IN35Non-transient non-community
Big Creek Water Associationserving Calhoun County, MSMS0070002Returned to compliance June 30, 2022April 1, 20222MS731Community
Echota S/Dserving Boone, NCNC3095002Returned to compliance June 30, 2022April 1, 20228NC710Community
Farm 31serving Raritan TWP., NJNJ1021419Returned to compliance June 30, 2022April 1, 20223NJ133Transient non-community
Old York Cellarsserving East Amwell TWP., NJNJ1008325Returned to compliance June 30, 2022April 1, 20222NJ32Transient non-community
Acres Cultivationserving Nye County, NVNV0001181Returned to compliance June 30, 2022April 1, 20224NV248Non-transient non-community
Desert Paradise MHPserving Clark County, NVNV0000149Returned to compliance June 30, 2022Listed as inactive in SDWISApril 1, 20224NV0Community
Nevada Gold Mines Carlin North Area LCHserving Eureka County, NVNV0002603Returned to compliance June 30, 2022April 1, 20224NV300Non-transient non-community
Fayette WSC Westserving Fayette County, TXTX0750022Returned to compliance June 30, 2022April 1, 20221TX5,802Community
Military Hwy WSC Las Rusiasserving Hidalgo County, TXTX1080067Returned to compliance June 30, 2022April 1, 20224TX17,943Community
Riverside MHPserving Moretown, VTVT0005493Returned to compliance June 30, 2022April 1, 20221VT30Community
Natures Classroom Institute Property LLCserving Mukwonago, WIWI2686655Returned to compliance June 22, 2022April 1, 20224WI40Non-transient non-community
CS Water Companyserving Desert Hills, AZAZ0408072Returned to compliance March 31, 2022January 1, 20223AZ258Community
Golden Shores Water Companyserving Topock, AZAZ0408024Returned to compliance March 31, 2022January 1, 20221AZ3,970Community
Nacog Headstart Chino Valleyserving Yavapai, AZAZ0413240Returned to compliance March 31, 2022Listed as inactive in SDWISJanuary 1, 20223AZ0Non-transient non-community
Shangri LA Ranchserving New River, AZAZ0407660Returned to compliance March 31, 2022January 1, 20223AZ345Community
Shepard Water Companyserving Martinez Lake, AZAZ0414014Returned to compliance March 31, 2022January 1, 20222AZ430Community
Cantua Creek Vineyards, IV, LLC.serving Fresno County, CACA1009051Returned to compliance March 31, 2022January 1, 20223CA55Community
Caruthers Comm Serv Distserving Fresno County, CACA1010039Returned to compliance March 31, 2022January 1, 20223CA2,613Community
Central Valley Meat CO Incserving Kings County, CACA1600050Returned to compliance March 31, 2022January 1, 20223CA812Non-transient non-community
Dunlap Leadership Academyserving Fresno County, CACA1000577Returned to compliance March 31, 2022Listed as inactive in SDWISJanuary 1, 20223CA41Non-transient non-community
Hakam Missonserving Stanislaus County, CACA5000316Returned to compliance March 31, 2022Listed as inactive in SDWISJanuary 1, 20223CA0Community
Nextera Energy Resourcesserving Lincoln County, COCO0237538Returned to compliance March 31, 2022Listed as inactive in SDWISJanuary 1, 20221CO48Non-transient non-community
Corridor Ridge Subdivisionserving Shueyville, IAIA5280303Returned to compliance March 31, 2022January 1, 20223IA108Community
Gallery Acres Westserving Solon, IAIA5282306Returned to compliance March 31, 2022January 1, 20223IA43Community
DE Landserving DE Land, ILIL1470200Returned to compliance March 31, 2022January 1, 20221IL446Community
Leightons Little Bear Denserving Columbia Falls, MEME0092787Returned to compliance March 31, 2022January 1, 20221ME25Non-transient non-community
Youth Development Ctr-Colomaserving Berrien County, MIMI2056311Returned to compliance March 31, 2022January 1, 20222MI55Non-transient non-community
MP Technologiesserving Wright County, MNMN5860317Returned to compliance March 31, 2022January 1, 20223MN40Non-transient non-community
Sabinserving Clay County, MNMN1140010Returned to compliance March 31, 2022January 1, 20221MN629Community
Loup CO Dist #25serving Taylor, NENE3150458Returned to compliance March 31, 2022January 1, 20222NE115Non-transient non-community
Little Tree Ed Centerserving Madbury, NHNH1458010Returned to compliance April 19, 2022January 1, 20221NH100Non-transient non-community
Sanborn Mem SCH/SEACOAST BLDGserving Newton, NHNH1755010Returned to compliance March 31, 2022January 1, 20223NH434Non-transient non-community
Half Pint Daycareserving West Amwell TWP., NJNJ1026320Returned to compliance March 31, 2022January 1, 20221NJ350Non-transient non-community
Anasazi Trails Water Co-Opserving Placitas, NMNM3501523Returned to compliance March 31, 2022January 1, 20223NM400Community
Travel Centers of America No 181serving Pershing County, NVNV0002159Returned to compliance March 31, 2022January 1, 20221NV1,051Non-transient non-community
Dollar General 19976 Beaver Damsserving Catlin, NYNY0730056Returned to compliance March 31, 2022January 1, 20221NY25Transient non-community
Sleepy Hollow Phase I WSserving Marion County, OROR4100756Returned to compliance March 31, 2022Listed as inactive in SDWISJanuary 1, 20221OR88Community
Duncannon Muni Waterserving Perry County, PAPA7500019Returned to compliance March 31, 2022January 1, 20221PA2,000Community
Fall River Wud-Northserving Oral, SDSD4602316Returned to compliance March 31, 2022Listed as inactive in SDWISJanuary 1, 20221SD68Community
North Martin Water System(SD in EPA records)084690029Returned to compliance March 31, 2022January 1, 20223SD78Community
City of Goldsmithserving Ector County, TXTX0680012Returned to compliance March 31, 2022January 1, 20221TX257Community
City of Hempsteadserving Waller County, TXTX2370001Returned to compliance March 31, 2022January 1, 20223TX7,158Community
City of Seminoleserving Gaines County, TXTX0830012Returned to compliance March 31, 2022January 1, 20221TX7,386Community
Dodge Oakhurst WSC 2serving San Jacinto County, TXTX2040051Returned to compliance March 31, 2022January 1, 20222TX2,500Community
Sawmill Additionserving Orange County, TXTX1810034Returned to compliance March 31, 2022January 1, 20223TX64Community
Darling Ingredients (Corp Headquarters)serving Frederick County, VAVA2069773Returned to compliance March 31, 2022Listed as inactive in SDWISJanuary 1, 20221VA85Non-transient non-community
Crystal Lake RV Resort LLCserving Lodi, WIWI1110066Returned to compliance March 31, 2022January 1, 20223WI725Community
Four Seasons TCserving Anchorage, AKAK2210320Returned to compliance December 31, 2021Listed as inactive in SDWISOctober 1, 20212AK365Community
Snowshoe Water Systemserving Wasilla, AKAK2223315Returned to compliance December 31, 2021October 1, 20212AK180Community
Hopi Cultural Centerserving Hopi Cultural Center, AZ090400260Returned to compliance December 31, 2021October 1, 20212AZ450Non-transient non-community
Golden State Water CO. - Robbinsserving Sutter County, CACA5100107Returned to compliance December 31, 2021October 1, 20212CA207Community
Bayer R&dserving Twin Falls County, IDID5420105Returned to compliance November 5, 2021Listed as inactive in SDWISOctober 1, 20212ID0Non-transient non-community
Pfizerserving Kalamazoo County, MIMI2032539Returned to compliance December 31, 2021October 1, 20211MI4,000Non-transient non-community
Waters Edge MH Communityserving Lenawee County, MIMI0040673Returned to compliance December 31, 2021October 1, 20212MI180Community
Cosmosserving Meeker County, MNMN1470011Returned to compliance December 31, 2021October 1, 20212MN513Community
Broadwater Estates HOAserving Helena, MTMT0004697Returned to compliance December 31, 2021October 1, 20212MT40Community
Union Pacific / So Morrill RR Yardsserving Morrill, NENE3120516Returned to compliance December 31, 2021October 1, 20212NE450Non-transient non-community
North Charlestown Water Deptserving Charlestown, NHNH0411020Returned to compliance December 31, 2021Listed as inactive in SDWISOctober 1, 20212NH325Community
LA Promesa Elementary Schoolserving Las Nutrias, NMNM3500228Returned to compliance December 31, 2021October 1, 20211NM251Non-transient non-community
Old River Water Companyserving Churchill County, NVNV0000303Returned to compliance December 31, 2021October 1, 20212NV300Community
City of Stantonserving Martin County, TXTX1590001Returned to compliance December 31, 2021October 1, 20212TX2,657Community
Tanglewood Forest Subdivisionserving San Jacinto County, TXTX2040054Returned to compliance December 31, 2021October 1, 20212TX118Community
Town of Quintanaserving Brazoria County, TXTX0200510Returned to compliance December 31, 2021October 1, 20211TX231Community
Wolfforth Placeserving Lubbock County, TXTX1520199Returned to compliance December 31, 2021Listed as inactive in SDWISOctober 1, 20212TX0Community
Darlington Ridge Farmsserving Darlington, WIWI1330003Returned to compliance December 31, 2021October 1, 20213WI32Non-transient non-community
Test Water System ZZZserving Anchorage, AKAK2263080Returned to compliance September 30, 2021Listed as inactive in SDWISJuly 1, 20211AK0Transient non-community
Bouse Dwidserving Bouse, AZAZ0415038Returned to compliance September 30, 2021July 1, 20211AZ284Community
Maricopa Mountain Dwid 1serving Stanfield, AZAZ0411087Returned to compliance September 30, 2021July 1, 20211AZ450Community
Sunland Water Companyserving Arizona City, AZAZ0411334Returned to compliance September 30, 2021July 1, 20211AZ227Community
Tonto Basin Water - Cactus Forestserving Florence, AZAZ0411052Returned to compliance September 30, 2021July 1, 20211AZ730Community
USDA TNF Grapevine Group Water Systemserving Grapevine, AZAZ0404869Returned to compliance September 30, 2021July 1, 20211AZ241Transient non-community
North Fork Elementary Schoolserving Madera County, CACA2000612Returned to compliance September 30, 2021July 1, 20211CA350Non-transient non-community
Pony Creek #1 HOAserving Pacific Junction, IAIA6500823Returned to compliance September 30, 2021July 1, 20211IA125Community
Triangle MHPserving Champaign County, ILIL0195925Returned to compliance September 30, 2021Listed as inactive in SDWISJuly 1, 20211IL90Community
Trinity Baptist Church & Daycareserving Westfield, ININ2290030Returned to compliance September 30, 2021Listed as inactive in SDWISJuly 1, 20211IN245Non-transient non-community
Western Boone Schoolsserving Thorntown, ININ2060808Returned to compliance September 30, 2021July 1, 20211IN876Non-transient non-community
Southwest Allen WW District No 2serving Allen Parish County, LALA1003009Returned to compliance September 30, 2021July 1, 20211LA8,106Community
Linden Free Methodist Wee Careserving Genesee County, MIMI2147525Returned to compliance September 30, 2021July 1, 20211MI284Non-transient non-community
Rankin ELEMENTARY/CACSserving Genesee County, MIMI2064825Returned to compliance September 30, 2021July 1, 20211MI300Non-transient non-community
North Benton W/Aserving Benton County, MSMS0050017Returned to compliance September 30, 2021July 1, 20211MS449Community
Abenaki WATER/WHITE Rock Waterserving Bow, NHNH0262020Returned to compliance September 30, 2021July 1, 20211NH238Community
Camping World of New Hampshireserving Chichester, NHNH0456010Returned to compliance September 30, 2021July 1, 20211NH50Non-transient non-community
McDermitt Water Systemserving McDermitt, NVNV0000162Returned to compliance September 30, 2021July 1, 20211NV200Community
US Ecology Nevadaserving Nye County, NVNV0001145Returned to compliance September 30, 2021July 1, 20211NV90Non-transient non-community
Jasper Mountain Centerserving Lane County, OROR4195069Returned to compliance September 30, 2021July 1, 20211OR65Non-transient non-community
Anchor Presbyterian Churchserving Bucks County, PAPA1090368Returned to compliance September 30, 2021July 1, 20211PA25Non-transient non-community
Village of MTN Heights MHPserving Wyoming County, PAPA2660035Returned to compliance September 30, 2021July 1, 20211PA76Community
Twin Oaks MHP Midlandserving Midland County, TXTX1650057Returned to compliance September 30, 2021July 1, 20211TX234Community
Georgeville(WA in EPA records)105300024Returned to compliance September 30, 2021July 1, 20211WA70Community
Jonata Homeowners Associationserving Santa Barbara County, CACA4200814Returned to compliance February 3, 2022June 1, 20211CA38Community
Park Royal Mutual Water Companyserving Sonoma County, CACA4900553Returned to compliance December 31, 2021April 1, 20211CA75Community
Richgrove Community Services Districtserving Tulare County, CACA5410024Returned to compliance December 19, 2022October 12, 20201CA1,617Community
Haigler, Village ofserving Haigler, NENE3105702Returned to compliance January 19, 2022January 1, 20201NE162Community
Woodward Water Supplyserving Woodward, IAIA2576036Returned to compliance September 30, 2022October 1, 20131IA1,346Community

Download the list (CSV)

How we did this

  • Source: EPA's ECHO SDWA bulk download dated October 14, 2026 (files SDWA_VIOLATIONS_ENFORCEMENT, SDWA_PUB_WATER_SYSTEMS and SDWA_GEOGRAPHIC_AREAS). SDWIS is the database the states report to.
  • What counts: contaminant 1005 (arsenic) with violation code 01 (MCL, single sample) or 02 (MCL, average). Monitoring and reporting violations, public-notice violations and every other code are left out.
  • Period: a violation is listed if its compliance period began on or after July 1, 2021, or began earlier and had not returned to compliance by that date. That is 4,520 violation records in 729 systems.
  • Status: “Returned to compliance” uses the return-to-compliance date SDWIS calculates. “Open” means there is no such date and the SDWIS status isn't Resolved or Archived. A system is open if any of its listed violations is open; otherwise the latest date is shown. Records can lag what a system has done since; check with the system.
  • Counting: each violation record covers one compliance period (commonly a quarter or a year), so a system with several periods has several records. The file repeats a violation once per enforcement action; we count each once.
  • Names: the SDWIS names as filed. “Serving” uses the service-area city (GEOGRAPHIC_AREAS) or, if none, the county; never the city of the mailing address. 16 systems have no service area on file and show the state only. Many are small systems: mobile home parks, schools, water associations and campgrounds. 77 are listed as inactive in SDWIS.
  • System types: community (serves residents year-round); non-transient non-community (for example schools and workplaces); transient non-community (for example campgrounds and restaurants).
  • Order: by the start of the most recent violation period, newest first. There is no score and no ranking of places.

Not a test of your tap.

ScoreYourWater also sells water treatment systems.

Sources:

  • EPA ECHO SDWA bulk download (October 14, 2026)
  • EPA: Drinking Water Arsenic Rule History
  • EPA: National Primary Drinking Water Regulations

Utilities: see something wrong? Send a correction

Data checked November 15, 2026. Corrections are noted in each monthly update.

Related pages

  • Water Score rankings
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