Big Lake, Alaska Water Quality Report
Water quality data for 12 water systems serving 3,051 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (5)
77
Apr 19, 2025
76
Jan 14, 2025
52
Jan 1, 2025
45
Jul 9, 2024
51
Jul 1, 2024
Resolved Violations (495)
52
Jul 1, 2025
76
May 21, 2024
20
May 2, 2024
20
May 2, 2024
76
Nov 16, 2023
+ 490 more resolved violations
Frequently Asked Questions
Is Big Lake tap water safe to drink?
Big Lake'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 Big Lake tap water?
0 contaminants have been detected in Big Lake's water supply across 12 water systems. See the full contaminant table above for details.
How can I improve my water quality in Big Lake?
Install a water filter rated for the specific contaminants found in Big Lake's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Big Lake have any water quality violations?
Yes, Big Lake currently has 242 active violations. See the violations section above for details.