Wallingford, Connecticut Water Quality Report
Water quality data for 2 water systems serving 37,351 people.
Water Source
Detected Contaminants
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 (26)
2E
Oct 17, 2024
4G
Oct 17, 2024
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Resolved Violations (474)
03
Apr 1, 2025 — Jun 30, 2025
71
Jul 1, 2024
71
Jul 1, 2024
03
Apr 1, 2024 — Jun 30, 2024
03
Apr 1, 2024 — Jun 30, 2024
+ 469 more resolved violations
Frequently Asked Questions
Is Wallingford tap water safe to drink?
Wallingford'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 Wallingford tap water?
3 contaminants have been detected in Wallingford's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Wallingford?
Install a water filter rated for the specific contaminants found in Wallingford's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Wallingford have any water quality violations?
Yes, Wallingford currently has 35 active violations. See the violations section above for details.