- EPA's UCMR 5 testing looked for 30 contaminants here and found 7.
- PFOA (a PFAS): found in 2 of 6 samples, average 2.9 ppt, highest 8.8 ppt (EPA UCMR 5 testing, Aug 2023–Feb 2024)
- PFHxS (a PFAS): found in 3 of 6 samples, average 2.5 ppt, highest 6.4 ppt (EPA UCMR 5 testing, Aug 2023–Feb 2024)
- PFBS (a PFAS): found in 2 of 6 samples, average 1.6 ppt, highest 4.9 ppt (EPA UCMR 5 testing, Aug 2023–Feb 2024)
- PFHxA (a PFAS): found in 2 of 6 samples, average 1.3 ppt, highest 4.1 ppt (EPA UCMR 5 testing, Aug 2023–Feb 2024)
- PFPeA (a PFAS): found in 2 of 6 samples, average 1.3 ppt, highest 4 ppt (EPA UCMR 5 testing, Aug 2023–Feb 2024)
- PFHpA (a PFAS): found in 2 of 6 samples, average 1.1 ppt, highest 3.3 ppt (EPA UCMR 5 testing, Aug 2023–Feb 2024)
- PFOS (a PFAS): found in 1 of 6 samples, average 0.70 ppt, highest 4 ppt (EPA UCMR 5 testing, Aug 2023–Feb 2024)
- Lead: 9 in 10 homes tested came in at or below 1.2 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.
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Oct 2024, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Jul 2024, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Apr 2024, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Jan 2024, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Jan 2023, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Oct 2022, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Jul 2022, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Apr 2022, with no return-to-compliance action in EPA records (EPA SDWIS)
- Health-standard violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, from Oct 2021, with no return-to-compliance action in EPA records (EPA SDWIS)
Public EPA test results
What EPA records show for Norton Water Department
EPA system ID MA4218000 · serves Norton, MA · about 19,161 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
Norton Water Department (EPA MA4218000)
What EPA records show for Norton Water Department, as of October 14, 2026
9 health-standard violations since July 1, 2021 in EPA records (EPA SDWIS).
Lead: 9 in 10 homes tested came in at or below 1.2 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 7.
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 Norton Water Department use chloramine?
We didn't find chloramine in Norton Water Department'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)
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: Norton Water Department (MA4218000), 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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