Enter your ZIP code to see real EPA data about contaminants, violations, and safety concerns, explained in plain English.
Safety Grade
We compute an overall water quality grade based on violations and health risks, not just legal compliance.
Health Context
Every contaminant comes with plain-English health effects, who's most at risk, and what to do.
Violation History
See every time your water exceeded legal limits or missed required testing, up to 10 years back.
Recommendations
Get specific, actionable suggestions: a filter type, a test kit, or nothing at all.
About this data: ClearWater uses the EPA's Safe Drinking Water Information System (SDWIS). Data is for public water systems only; private wells are not included. Legal limits (MCLs) are minimum standards; some contaminants may still pose health risks below legal thresholds.
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Water systems near
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GLEN ULLIN CITY OF
GLEN ULLIN, ND · 807 people served · Surface Water Purchased
Data last updated: 2026-07-12
0 total violations on record. No currently active health-based violations.
Lead & Copper
EPA has no lead or copper 90th-percentile results on record for this system.
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GLEN ULLIN CITY OF: Frequently Asked Questions
Is GLEN ULLIN CITY OF water safe to drink?
GLEN ULLIN CITY OF currently has no active health-based violations and has met all EPA standards in recent years. While this indicates good water quality compliance, you may still want to consider filtering your water, especially if your home has older plumbing that may contain lead.
What violations has GLEN ULLIN CITY OF had?
GLEN ULLIN CITY OF has 0 total violations on record, but none are currently active health-based violations.
Does GLEN ULLIN CITY OF water have lead?
Lead in drinking water typically comes from household plumbing, not from GLEN ULLIN CITY OF's treatment plant. See the Lead & Copper section on this page for the most recent 90th-percentile lead test results. If your home was built before 1986, consider running cold water for 30 seconds before drinking and using an NSF/ANSI 53-certified filter.
Related water quality pages
Lead & Copper
What To Do
Violations
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