- EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
- Lithium: found in 25 of 26 samples, average 13.1 µg/L, highest 18.5 µg/L (EPA UCMR 5 testing, Jul 2023–Jan 2024)
- Lead: 9 in 10 homes tested came in at or below 0 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, 2022–Dec 31, 2024). 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: Groundwater Rule, Groundwater Rule, from Jun 2025, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-standard violation: Groundwater Rule, Groundwater Rule, from Jun 2025, with no return-to-compliance action in EPA records (EPA SDWIS)
Public EPA test results
Can you drink Roswell tap water? What EPA records show
EPA system ID NM3520203 · serves Roswell, NM · about 54,025 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
Roswell Municipal Water System (EPA NM3520203)
ScoreYourWater.com gives no verdict on your tap water; it shows what the public records say, as of October 14, 2026. For Roswell's main utility, Roswell Municipal Water System: 2 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 Roswell Municipal Water System, as of October 14, 2026
2 health-standard violations since July 1, 2021 in EPA records (EPA SDWIS).
Lead: 9 in 10 homes tested came in at or below 0 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, 2022–Dec 31, 2024). 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 Roswell Municipal Water System use chloramine?
We didn't find chloramine in Roswell Municipal Water System's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)