BUTTE SILVERBOW WATER DEPT Water Quality Report
Population
33,000
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 9
violations recorded
C
Fair
Safety Grade
9 violations in the past 5 years, including 1 health-based
System Details
- PWSID
- MT0000170
- Population Served
- 33,000
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Montana
- EPA Region
- 8
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 0200 | ✕ Health-Based | 1 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 4 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 4 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 1 |
Violation History
2025
1
2024
8
2012
1
Total violations on record: 10
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: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
How does this compare?
This systemNational average
Grade C
Avg: B-C
10violations total
36% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 5× the national average.