- EPA's UCMR 5 testing looked for 30 contaminants here and found 3.
- PFOA (a PFAS): found in 3 of 4 samples, average 3.5 ppt, highest 5 ppt (EPA UCMR 5 testing, Jan 2024–Oct 2024)
Public EPA test results
What EPA records show for Tewksbury Water Department
EPA system ID MA3295000 · serves Tewksbury, MA · about 31,342 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
Tewksbury Water Department (EPA MA3295000)
What EPA records show for Tewksbury Water Department, 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 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, 2021–Dec 31, 2023). 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 3.
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 Tewksbury Water Department use chloramine?
We didn't find chloramine in Tewksbury 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)