Harwinton, Connecticut Water Quality Report
Water quality data for 1 water system serving 200 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (16)
66
Sep 28, 2024
66
Sep 28, 2024
45
Apr 16, 2024
45
Apr 16, 2024
45
Apr 16, 2024
45
Apr 16, 2024
66
Mar 30, 2024
66
Mar 30, 2024
66
Sep 28, 2023
66
Sep 28, 2023
66
Sep 28, 2023
57
May 18, 2023
57
May 18, 2023
57
May 18, 2023
57
May 18, 2023
57
May 18, 2023
Resolved Violations (484)
3A
Jan 1, 2025 — Mar 31, 2025
3A
Jan 1, 2025 — Mar 31, 2025
3A
Jan 1, 2025 — Mar 31, 2025
34
Aug 23, 2024
34
Aug 23, 2024
+ 479 more resolved violations
Frequently Asked Questions
Is Harwinton tap water safe to drink?
Harwinton'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 Harwinton tap water?
0 contaminants have been detected in Harwinton's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Harwinton?
Install a water filter rated for the specific contaminants found in Harwinton's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Harwinton have any water quality violations?
Yes, Harwinton currently has 26 active violations. See the violations section above for details.