- EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
- Lithium: found in 2 of 10 samples, average 2.08 µg/L, highest 10.6 µg/L (EPA UCMR 5 testing, Nov 2023–May 2024)
- Lead: 9 in 10 homes tested came in at or below 1 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jan 1, 2024–Dec 31, 2026). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Apr 2023–Jul 2023 (EPA SDWIS)
- Health-standard violation: Groundwater Rule, Groundwater Rule, Feb 2023–Jun 2023 (EPA SDWIS)
- Health-standard violation: Groundwater Rule, Groundwater Rule, Feb 2023–Mar 2023 (EPA SDWIS)
- Health-standard violation: Groundwater Rule, Groundwater Rule, Feb 2023–Apr 2023 (EPA SDWIS)
- Health-standard violation: Groundwater Rule, Groundwater Rule, Feb 2023–Mar 2023 (EPA SDWIS)
Public EPA test results
Can you drink West Monroe tap water? What EPA records show
EPA system ID LA1073056 · serves Ouachita Parish County, LA · about 16,005 people (EPA records)
Here's what EPA has on file for this water system: its testing for newer contaminants like PFAS (UCMR 5), lead testing and violations. It's not a test of your tap, and there's no Water Score here.
Public EPA test results
City of West Monroe Water System (EPA LA1073056)
ScoreYourWater.com gives no verdict on your tap water; it shows what the public records say, as of October 14, 2026. For West Monroe's main utility, City of West Monroe Water System: 5 health-standard violations since July 1, 2021 in EPA records (EPA SDWIS). PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
What EPA records show for City of West Monroe Water System, as of October 14, 2026
5 health-standard violations since July 1, 2021 in EPA records (EPA SDWIS).
Lead: 9 in 10 homes tested came in at or below 1 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jan 1, 2024–Dec 31, 2026). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
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 City of West Monroe Water System use chloramine?
EPA treatment records (state-reported) list chloramines for City of West Monroe Water System. EPA record
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)