- EPA's UCMR 5 testing looked for 30 contaminants here and found 5.
- PFPeA (a PFAS): found in 3 of 4 samples, average 4.9 ppt, highest 8 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025)
- PFHxA (a PFAS): found in 3 of 4 samples, average 4 ppt, highest 6.1 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025)
- PFBA (a PFAS): found in 2 of 4 samples, average 2.7 ppt, highest 5.5 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025)
- PFOA (a PFAS): found in 2 of 4 samples, average 2.4 ppt, highest 5.5 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025)
- PFBS (a PFAS): found in 2 of 4 samples, average 1.5 ppt, highest 3.1 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025)
- Lead: 9 in 10 homes tested came in at or below 2.4 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, 2023–Dec 31, 2025). 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 1 Disinfectants and Disinfection Byproducts Rule, Bromate, Apr 2023–Aug 2023 (EPA SDWIS)
- Health-standard violation: Stage 1 Disinfectants and Disinfection Byproducts Rule, Bromate, Jan 2023–May 2023 (EPA SDWIS)
- Health-standard violation: Stage 1 Disinfectants and Disinfection Byproducts Rule, Bromate, Oct 2022–Jan 2023 (EPA SDWIS)
Public EPA test results
What EPA records show for Billerica Water Works
EPA system ID MA3031000 · serves Billerica, MA · about 42,119 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
Billerica Water Works (EPA MA3031000)
What EPA records show for Billerica Water Works, as of October 14, 2026
3 health-standard violations since July 1, 2021 in EPA records (EPA SDWIS).
Lead: 9 in 10 homes tested came in at or below 2.4 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, 2023–Dec 31, 2025). 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 5.
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 Billerica Water Works use chloramine?
EPA treatment records (state-reported) list chloramines for Billerica Water Works. EPA record
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)
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.
Sources
- EPA ECHO detailed facility report: Billerica Water Works (MA3031000), July to September 2026 extract
- EPA SDWIS (ECHO SDWA bulk download), July to September 2026 extract
- EPA UCMR 5 occurrence data, samples through June 2026
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