Chinook, Montana Water Quality Report
Water quality data for 2 water systems serving 1,400 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (1)
Violation
Unknown
Resolved Violations (57)
02
Oct 1, 2025 — Dec 31, 2025
02
Oct 1, 2025 — Dec 31, 2025
02
Jul 1, 2025 — Sep 30, 2025
02
Jul 1, 2025 — Sep 30, 2025
02
Apr 1, 2025 — Jun 30, 2025
+ 52 more resolved violations
Frequently Asked Questions
Is Chinook tap water safe to drink?
Chinook'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 Chinook tap water?
0 contaminants have been detected in Chinook's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Chinook?
Install a water filter rated for the specific contaminants found in Chinook's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Chinook have any water quality violations?
Yes, Chinook currently has 1 active violation. See the violations section above for details.