Mandan
Is Mandan tap water safe to drink?
Mostly yes — Mandan scores 100/100. This report aggregates EPA drinking water data across 2 local systems in Mandan. We found 2 total violations (2 unresolved).
Real-Time Environment
Live: 04:15 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Mandan.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Mandan?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filter or no filter for Mandan water? Here's what the data says.
Baby Formula Safety
What new parents in Mandan should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to Mandan, but it can affect plumbing longevity and appliance lifespan. The high safety score (100/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Mandan
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Mandan.
Frequently Asked Questions
Is Mandan tap water safe to drink?
Mostly yes — Mandan scores 100/100.
How many water systems serve Mandan?
Mandan is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Mandan?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Mandan.
What is the water quality score for Mandan?
The water quality score for Mandan is 100 out of 100, based on EPA contaminant data, violation history, and testing results across the 2 systems serving the city.
What are the top contaminants in Mandan?
The top contaminants detected in Mandan include Lead (90th percentile). View detailed information on our contaminants page.
Mandan Water Quality Summary
Mandan, ND receives a water quality score of 100/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Mandan's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.
Mandan's score of 100 is 8 points above the North Dakota state average of 92, and above the nationwide average of roughly 78/100 across all U.S. states.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our North Dakota water quality rankings report →
Key Contaminants
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Water Systems Serving Mandan (2)
Check Your Specific Address
Water quality can vary by neighborhood in Mandan.
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