What EPA records show for East Lyme Water & Sewer Commission
EPA system ID CT0450011 · serves East Lyme, CT · about 15,245 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
East Lyme Water & Sewer Commission (EPA CT0450011)
What EPA records show for East Lyme Water & Sewer Commission, as of October 14, 2026
We found no health-standard violations in EPA's records for this system (CT0450011) since July 1, 2021, as of October 14, 2026.
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, 2026–Jun 30, 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 6.
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 East Lyme Water & Sewer Commission use chloramine?
We didn't find chloramine in East Lyme Water & Sewer Commission's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
Reported results in EPA records (data as of Oct 14–15, 2026)
EPA's UCMR 5 testing looked for 30 contaminants here and found 6.
PFOA (a PFAS): found in 4 of 14 samples, average 1.9 ppt, highest 9.2 ppt (EPA UCMR 5 testing, May 2023–Aug 2024)
PFOS (a PFAS): found in 4 of 14 samples, average 1.8 ppt, highest 7.2 ppt (EPA UCMR 5 testing, May 2023–Aug 2024)
PFPeA (a PFAS): found in 4 of 14 samples, average 1.4 ppt, highest 5.6 ppt (EPA UCMR 5 testing, May 2023–Aug 2024)
PFHxA (a PFAS): found in 3 of 14 samples, average 1 ppt, highest 5.4 ppt (EPA UCMR 5 testing, May 2023–Aug 2024)
PFBS (a PFAS): found in 2 of 14 samples, average 0.60 ppt, highest 4.8 ppt (EPA UCMR 5 testing, May 2023–Aug 2024)
PFHpA (a PFAS): found in 1 of 14 samples, average 0.20 ppt, highest 3 ppt (EPA UCMR 5 testing, May 2023–Aug 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, 2026–Jun 30, 2026). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
Source: EPA SDWIS (ECHO SDWA bulk download), data as of Oct 14, 2026
Source: EPA UCMR 5 occurrence data, data as of Oct 15, 2026
These are EPA's public records for this water system, shown as of October 14, 2026. If you represent this utility, or think a record here is wrong, tell us: Report an error. If the error is in EPA's own records, your state drinking water program can correct it there, and this page updates at our next data refresh.
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