Williston, North Dakota Water Quality Report
Water quality data for 6 water systems serving 32,180 people.
Water Source
Detected Contaminants
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Compliance & Violations
Active Violations (36)
75
Nov 17, 2024
66
Aug 30, 2012
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Resolved Violations (178)
66
Nov 13, 2024
4G
Oct 17, 2024
2E
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
+ 173 more resolved violations
Frequently Asked Questions
Is Williston tap water safe to drink?
Williston's water meets all EPA maximum contaminant levels. However, 2 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Williston tap water?
2 contaminants have been detected in Williston's water supply across 6 water systems. See the full contaminant table above for details.
How can I improve my water quality in Williston?
Install a water filter rated for the specific contaminants found in Williston's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Williston have any water quality violations?
Yes, Williston currently has 36 active violations. See the violations section above for details.