Middleton, Massachusetts Water Quality Report
Water quality data for 2 water systems serving 35,342 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBS | 0.003 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHpA | 0.006 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.007 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFOA | 0.004 | 0.004 ug/L | 0.090 ug/L(EWG) | 113% | Above limit |
| PFOS | 0.005 | 0.004 ug/L | 0.300 ug/L(EWG) | 130% | Above limit |
| PFPeA | 0.011 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (23)
53
Jul 1, 2025
52
Jun 1, 2024
52
Jun 1, 2024
52
Jun 1, 2024
66
Jun 1, 2021
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Resolved Violations (51)
52
Jun 1, 2015
52
Jun 1, 2015
71
Jul 1, 2014
71
Jul 1, 2011
03
Jan 1, 2011 — Mar 31, 2011
+ 46 more resolved violations
Frequently Asked Questions
Is Middleton tap water safe to drink?
Middleton's water has 2 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Middleton tap water?
6 contaminants have been detected in Middleton's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Middleton?
Install a water filter rated for the specific contaminants found in Middleton's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Middleton have any water quality violations?
Yes, Middleton currently has 23 active violations. See the violations section above for details.