Water Quality in Bismarck, ND (58494)
EPA violation data for public water systems serving ZIP code 58494.
No Health-Based Violations
None of the 3 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are2 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 36% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
431
Population
3
Water Systems
2
Violations (5yr)
0
Health-Based
Location
Loading map...
Water Systems Serving This Area (3)
Bismarck City Of
Wing City Of
All resolvedMitchell Lake Park
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Bismarck (58494) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.