Unalaska, Alaska Water Quality Report
Water quality data for 1 water system serving 9,400 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (106)
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Resolved Violations (292)
31
May 1, 2024 — May 31, 2024
27
May 1, 2024 — May 31, 2024
3A
May 1, 2024 — May 31, 2024
27
Jan 1, 2024 — Dec 31, 2024
27
Jan 1, 2024 — Dec 31, 2024
+ 287 more resolved violations
Frequently Asked Questions
Is Unalaska tap water safe to drink?
Unalaska'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 Unalaska tap water?
0 contaminants have been detected in Unalaska's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Unalaska?
Install a water filter rated for the specific contaminants found in Unalaska's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Unalaska have any water quality violations?
Yes, Unalaska currently has 106 active violations. See the violations section above for details.