Watertown, Connecticut Water Quality Report
Water quality data for 3 water systems serving 7,096 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (7)
4G
Oct 17, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
34
Aug 22, 2023
34
Aug 22, 2023
34
Aug 22, 2023
Resolved Violations (493)
72
Aug 10, 2025
71
Jul 1, 2025
75
Jun 13, 2024
75
Jun 13, 2024
75
Jun 13, 2024
+ 488 more resolved violations
Frequently Asked Questions
Is Watertown tap water safe to drink?
Watertown's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Watertown tap water?
0 contaminants have been detected in Watertown's water supply across 3 water systems. See the full contaminant table above for details.
How can I improve my water quality in Watertown?
Install a water filter rated for the specific contaminants found in Watertown's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Watertown have any water quality violations?
Yes, Watertown currently has 21 active violations. See the violations section above for details.