Greenwich, New York Water Quality Report
Water quality data for 1 water system serving 2,000 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (9)
52
Oct 1, 2012
52
Oct 1, 2012
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (144)
3A
Sep 1, 2025 — Sep 30, 2025
3A
Jan 1, 2020 — Jan 31, 2020
3A
Jan 1, 2020 — Jan 31, 2020
3A
Jan 1, 2020 — Jan 31, 2020
52
Oct 1, 2017
+ 139 more resolved violations
Frequently Asked Questions
Is Greenwich tap water safe to drink?
Greenwich'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 Greenwich tap water?
0 contaminants have been detected in Greenwich's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Greenwich?
Install a water filter rated for the specific contaminants found in Greenwich's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Greenwich have any water quality violations?
Yes, Greenwich currently has 9 active violations. See the violations section above for details.