Nassau, New York Water Quality Report
Water quality data for 5 water systems serving 1,377 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (7)
52
Jul 1, 1995
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (245)
4G
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
03
Jan 1, 2022 — Dec 31, 2024
+ 240 more resolved violations
Frequently Asked Questions
Is Nassau tap water safe to drink?
Nassau'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 Nassau tap water?
0 contaminants have been detected in Nassau's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Nassau?
Install a water filter rated for the specific contaminants found in Nassau's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Nassau have any water quality violations?
Yes, Nassau currently has 7 active violations. See the violations section above for details.