Montana
Water Quality Report
86 Good
Average Score
86/100
Water Systems
124
Population
765,141
Violations
0 all resolved
Score Distribution
1 A
1 B
0 C
0 D
0 F
Top Contaminant Violations
| Contaminant | Violations |
|---|---|
| Benzene | 1 |
Lowest Scoring Water Systems
Counties in Montana
Cities in Montana
View all 83 cities →Popular City Comparisons in Montana
Quickly compare major cities in Montana by water quality score and grade.
Frequently Asked Questions
Is tap water in Montana safe to drink?
Montana has an average WaterQ score of 86/100 across 124 public water systems. Safety can vary by city and system, so check your local report for recent violations and contaminants.
How many water systems are in Montana?
WaterQ currently tracks 124 public water systems in Montana.
Where can I compare cities in Montana?
Use the city list below to open detailed reports, or visit the compare tool to benchmark two cities side-by-side on score, grade, and system coverage.