Adak, Alaska Water Quality Report
Water quality data for 1 water system serving 325 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (1)
42
Sep 30, 2008
Resolved Violations (499)
27
Sep 1, 2025 — Sep 30, 2025
36
Jul 1, 2025 — Jul 31, 2025
02
Jul 1, 2025 — Sep 30, 2025
27
Jul 1, 2025 — Jul 31, 2025
41
May 1, 2025 — May 31, 2025
+ 494 more resolved violations
Frequently Asked Questions
Is Adak tap water safe to drink?
Adak'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 Adak tap water?
0 contaminants have been detected in Adak's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Adak?
Install a water filter rated for the specific contaminants found in Adak's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Adak have any water quality violations?
Yes, Adak currently has 171 active violations. See the violations section above for details.