Ketchikan, Alaska Water Quality Report
Water quality data for 12 water systems serving 11,813 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (10)
2A
Jul 19, 2025
2C
Oct 3, 2023
2C
Oct 3, 2023
2C
Oct 3, 2023
2C
Oct 3, 2023
42
Sep 20, 2021
42
Sep 20, 2021
72
Oct 1, 2016
71
Jul 1, 2016
5A
Apr 1, 2016
Resolved Violations (490)
36
Sep 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
3A
Mar 1, 2025 — Mar 31, 2025
+ 485 more resolved violations
Frequently Asked Questions
Is Ketchikan tap water safe to drink?
Ketchikan'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 Ketchikan tap water?
0 contaminants have been detected in Ketchikan's water supply across 12 water systems. See the full contaminant table above for details.
How can I improve my water quality in Ketchikan?
Install a water filter rated for the specific contaminants found in Ketchikan's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Ketchikan have any water quality violations?
Yes, Ketchikan currently has 658 active violations. See the violations section above for details.