WaterQ
Montana State Report All States
Official Status: March 2026

Is Missoula tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Missoula scores 94/100.

Safety Score
94
out of 100

Still not sure if you need a filter in Missoula?

Read Decision Guide →

Missoula

Montana

View Montana state report Data updated: Mar 2026

Is Missoula tap water safe to drink?

Mostly yes — Missoula scores 94/100. This report aggregates EPA drinking water data across 1 local system in Missoula. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 02:30 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Missoula.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Missoula?

Requirement Status
Optional
🟢
💡

Expert Advice

Your water quality is excellent. Standard filtration is optional but can further enhance taste.

Buying a Filter?

Wondering if Missoula tap water needs filtering? We break it down.

Baby Formula Safety

Mixing baby formula with Missoula tap water? Read this first.

Homebuyer's Perspective

If you're house-hunting in Missoula, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (94/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Radium-228 levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Compliance Record for Missoula

0
Violations (5yr)
0
Unresolved
8
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Missoula.

Frequently Asked Questions

Is Missoula tap water safe to drink?

Mostly yes — Missoula scores 94/100.

How many water systems serve Missoula?

Missoula is served by 1 public water system in our latest EPA-backed dataset.

How can I check water quality for my exact address in Missoula?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Missoula.

What is the water quality score for Missoula?

The water quality score for Missoula is 94 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Missoula?

The top contaminants detected in Missoula include Radium-228, Lead, Radium-226. View detailed information on our contaminants page.

Water Quality Score
94/100
Grade
A
Water Systems
6
Population
88,128

Missoula Water Quality Summary

Missoula, MT receives a water quality score of 94/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 6 public water systems serving the area.

Missoula'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.

Missoula's score of 94 is 8 points above the Montana state average of 86, and above the nationwide average of roughly 78/100 across all U.S. states.

Residents and homebuyers in this mid-size Mountain West city can feel reassured by the exceptionally high standards maintained across the area's local water distribution networks. Given the region's historical agricultural and mining legacy, the local infrastructure successfully filters and manages potential runoff challenges common to less densely populated Montana environments. For those settling in Missoula, the consistently clean reports spanning the city's several water systems offer strong peace of mind regarding daily tap safety.

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

Radium-228
4.8775 / 5 pCi/L
0 pCi/L MCL: 5 pCi/L
Lead
12.8839 / 15 μg/L
0 μg/L MCL: 15 μg/L
Radium-226
2.1637 / 5 pCi/L
0 pCi/L MCL: 5 pCi/L
Gross Alpha Particle Activity
4.974 / 15 pCi/L
0 pCi/L MCL: 15 pCi/L
Perchlorate
15.6135 / 56 μg/L
0 μg/L MCL: 56 μg/L
Haloacetic Acids (HAA5)
10.054 / 60 μg/L
0 μg/L MCL: 60 μg/L
Turbidity
0.1445 / 1 NTU
0 NTU MCL: 1 NTU
PFAS (Per- and Polyfluoroalkyl Substances)
0.0001 / 0.004 μg/L
0 μg/L MCL: 0.004 μg/L

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Water Systems Serving Missoula (1)

Related

Compare Missoula water quality: View all states · Contaminant library · How we score water quality