MyCleanWater

Bismarck, North Dakota Water Quality Report

Water quality data for 14 water systems serving 93,174 people.

100
Excellent
out of 100

Water Source

14
Water Systems
93K
People Served
Surface water, Ground water
Water Source

Detected Contaminants

ContaminantDetected LevelEPA Limit (MCL)Health Guideline% of LimitStatus
lithium79.4 No federal limit10.0 ug/L(EPA/USGS HBSL)
794%
Above guideline
PFBA0.006 No federal limit1000.0 ug/L(EWG)
0%
Below guideline

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Compliance & Violations

Active Violations (1)

66

Dec 30, 2024

moderate

Resolved Violations (499)

71

Jul 1, 2025

minor

27

Jul 1, 2025 — Sep 30, 2025

moderate

71

Jul 1, 2025

minor

2B

Nov 29, 2023

critical

2B

Nov 29, 2023

critical

+ 494 more resolved violations

Frequently Asked Questions

Is Bismarck tap water safe to drink?

Bismarck'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 Bismarck tap water?

2 contaminants have been detected in Bismarck's water supply across 14 water systems. See the full contaminant table above for details.

How can I improve my water quality in Bismarck?

Install a water filter rated for the specific contaminants found in Bismarck's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.

Does Bismarck have any water quality violations?

Yes, Bismarck currently has 134 active violations. See the violations section above for details.