Charlo, Montana Water Quality Report
Water quality data for 1 water system serving 450 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (3)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (176)
71
Jul 1, 2025
71
Jul 1, 2025
71
Jul 1, 2021
71
Jul 1, 2021
27
Jan 1, 2021 — Dec 31, 2023
+ 171 more resolved violations
Frequently Asked Questions
Is Charlo tap water safe to drink?
Charlo'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 Charlo tap water?
0 contaminants have been detected in Charlo's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Charlo?
Install a water filter rated for the specific contaminants found in Charlo's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Charlo have any water quality violations?
Yes, Charlo currently has 3 active violations. See the violations section above for details.