HELENA WATER SYSTEM Water Quality Report
Population
32,091
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
—
of 49,184 US systems
5-Year Record
⚠️ 12
violations recorded
F
Unsafe
Safety Grade
12 violations in the past 5 years, including 12 health-based
System Details
- PWSID
- MT0000241
- Population Served
- 32,091
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Montana
- EPA Region
- 8
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 1 |
| Radium-226 | ⚠ Monitoring/Reporting | 3 |
| Haloacetic Acids (HAA5) | ✕ Health-Based | 12 |
Violation History
2023
4
2022
8
2011
1
2008
3
2007
1
2001
1
Total violations on record: 18
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Reverse Osmosis System
Removes up to 99% of contaminants including PFAS, lead, arsenic, and nitrates
Removes: Radium-226
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Haloacetic Acids (HAA5)
How does this compare?
This systemNational average
Grade F
Avg: B-C
18violations total
64% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 5× the national average.