WaterQ
Montana State Report All States
Official Status: March 2026

Is Billings tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Billings scores 97/100.

Safety Score
97
out of 100

Still not sure if you need a filter in Billings?

Read Decision Guide →

Billings

Montana

View Montana state report Data updated: Mar 2026

Is Billings tap water safe to drink?

Mostly yes — Billings scores 97/100. This report aggregates EPA drinking water data across 1 local system in Billings. 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 Billings.

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 Billings?

Requirement Status
Optional
🟢
💡

Expert Advice

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

Buying a Filter?

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

Baby Formula Safety

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

Homebuyer's Perspective

If you're house-hunting in Billings, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (97/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

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

View Health Risk Glossary →

Compliance Record for Billings

0
Violations (5yr)
0
Unresolved
8
Contaminants Tracked
1
Exceeding EPA Limit

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

Frequently Asked Questions

Is Billings tap water safe to drink?

Mostly yes — Billings scores 97/100.

How many water systems serve Billings?

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

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

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

What is the water quality score for Billings?

The water quality score for Billings is 97 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Billings?

The top contaminants detected in Billings include Benzene, Nitrite, Copper. View detailed information on our contaminants page.

Water Quality Score
97/100
Grade
A
Water Systems
5
Population
140,599

Billings Water Quality Summary

Billings, MT receives a water quality score of 97/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 5 public water systems serving the area.

Billings'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.

Billings's score of 97 is 11 points above the Montana state average of 86, and above the nationwide average of roughly 78/100 across all U.S. states.

Homebuyers and residents in Billings can feel reassured by the excellent quality of the tap water, which consistently meets high safety standards. Although this mid-size Montana city is located in a Mountain West region with a legacy of agricultural activity and historic mining, the local drinking supply remains clean and well-protected. The presence of several distinct water systems across the area ensures focused distribution throughout the community, providing reliable service despite the surrounding region's low population density and environmental history.

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

Benzene Violation
9.8761 / 5 μg/L
0 μg/L MCL: 5 μg/L
Nitrite
0.8617 / 1 mg/L
0 mg/L MCL: 1 mg/L
Copper
1.0841 / 1.3 mg/L
0 mg/L MCL: 1.3 mg/L
Lead
12.4875 / 15 μg/L
0 μg/L MCL: 15 μg/L
Fluoride
3.2181 / 4 mg/L
0 mg/L MCL: 4 mg/L
PFOA (Perfluorooctanoic Acid)
0.0018 / 0.004 μg/L
0 μg/L MCL: 0.004 μg/L
Chlorine
1.5795 / 4 mg/L
0 mg/L MCL: 4 mg/L
Total Trihalomethanes
30.5465 / 80 μg/L
0 μg/L MCL: 80 μg/L

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Water Systems Serving Billings (1)

Related

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