Coleharbor, North Dakota Water Quality Report
Water quality data for 1 water system serving 79 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
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Compliance & Violations
Active Violations (4)
4H
Jul 2, 2025
4H
Jul 2, 2025
4H
Jul 2, 2025
Violation
Unknown
Resolved Violations (37)
66
Oct 19, 2022
27
Jul 1, 2022 — Sep 30, 2022
27
Jul 1, 2022 — Sep 30, 2022
27
Jul 1, 2022 — Sep 30, 2022
27
Apr 1, 2021 — Jun 30, 2021
+ 32 more resolved violations
Frequently Asked Questions
Is Coleharbor tap water safe to drink?
Coleharbor'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 Coleharbor tap water?
0 contaminants have been detected in Coleharbor's water supply across 1 water system. See the full contaminant table above for details.
How can I improve my water quality in Coleharbor?
Install a water filter rated for the specific contaminants found in Coleharbor's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Coleharbor have any water quality violations?
Yes, Coleharbor currently has 4 active violations. See the violations section above for details.