- EPA's UCMR 5 testing looked for 30 contaminants here and found none.
Public EPA test results
Can you drink Mukilteo tap water? What EPA records show
EPA WA5357550 · serves Snohomish County, WA · about 31,437 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Mukilteo Water & Wastewater Distr (EPA WA5357550)
EPA data as of October 14, 2026. For Mukilteo's main utility, Mukilteo Water & Wastewater Distr: We found no health-based violations in EPA's records for this system (WA5357550) since July 1, 2021, as of October 14, 2026. PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
What EPA records show for Mukilteo Water & Wastewater Distr, as of October 14, 2026
We found no health-based violations in EPA's records for this system (WA5357550) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Mukilteo Water & Wastewater Distr (SDWIS). Data as of October 14, 2026.
This system buys water from Alderwood Water District (WA5301300) and Everett Public Works Dept. City of (WA5324050); see those systems' records.
Source: Alderwood Water District (WA5301300) report, Everett Public Works Dept. City of (WA5324050) report. Data as of October 14, 2026.
EPA's UCMR 5 testing looked for 30 contaminants here and found none.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Mukilteo Water & Wastewater Distr use chloramine?
We didn't find chloramine in Mukilteo Water & Wastewater Distr's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.