Helena
Is Helena tap water safe to drink?
Mostly yes — Helena scores 85/100. This report aggregates EPA drinking water data across 2 local systems in Helena. We found 1404 total violations (6 unresolved).
Real-Time Environment
Live: 04:15 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Helena.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Helena?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Should you buy a water purifier in Helena? See our analysis.
Baby Formula Safety
Is Helena tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Helena, water quality is a key factor in long-term property maintenance. The high safety score (85/100) 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 Helena
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Helena.
Frequently Asked Questions
Is Helena tap water safe to drink?
Mostly yes — Helena scores 85/100.
How many water systems serve Helena?
Helena is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Helena?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Helena.
What is the water quality score for Helena?
The water quality score for Helena is 85 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 Helena?
The top contaminants detected in Helena include Lead (90th percentile). View detailed information on our contaminants page.
Helena Water Quality Summary
Helena, MT receives a water quality score of 85/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Helena'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.
Helena's score of 85 is 1 point above the Montana state average of 84, 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 Montana water quality rankings report →
Key Contaminants
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Water Systems Serving Helena (2)
Check Your Specific Address
Water quality can vary by neighborhood in Helena.
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