GREAT FALLS CITY OF Water Quality Report
Population
60,000
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 43%
of 49,184 US systems
5-Year Record
✅ Clean
no violations
A
Safe
Safety Grade
0 violations in the past 5 years, including 5 health-based
System Details
- PWSID
- MT0000525
- Population Served
- 60,000
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Montana
- EPA Region
- 8
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Haloacetic Acids (HAA5) | ✕ Health-Based | 5 |
Violation History
2019
2
2018
3
Total violations on record: 5
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Haloacetic Acids (HAA5)
How does this compare?
This systemNational average
Grade A
Avg: B-C
5violations total
18% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 9× the national average.