Onset, Massachusetts Water Quality Report
Water quality data for 1 water system serving 5,392 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFOS | 0.007 | 0.004 ug/L | 0.300 ug/L(EWG) | 178% | Above limit |
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 (13)
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Resolved Violations (59)
71
Jul 1, 2022
71
Jul 1, 2022
03
Oct 1, 2020 — Dec 31, 2020
03
Oct 1, 2020 — Dec 31, 2020
03
Oct 1, 2020 — Dec 31, 2020
+ 54 more resolved violations
Frequently Asked Questions
Is Onset tap water safe to drink?
Onset's water has 1 contaminant detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Onset tap water?
1 contaminants have been detected in Onset's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Onset?
Install a water filter rated for the specific contaminants found in Onset's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Onset have any water quality violations?
Yes, Onset currently has 13 active violations. See the violations section above for details.