COLSTRIP CITY OF Water Quality Report
Population
2,350
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
—
of 49,184 US systems
5-Year Record
⚠️ 27
violations recorded
F
Unsafe
Safety Grade
27 violations in the past 5 years, including 6 health-based
System Details
- PWSID
- MT0000180
- Population Served
- 2,350
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Montana
- EPA Region
- 8
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 2 |
| Total Trihalomethanes (TTHMs) | ✕ Health-Based | 6 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 3 |
| Contaminant 0200 | ✕ Health-Based | 16 |
Violation History
2024
19
2023
6
2022
2
2001
1
Total violations on record: 28
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 F
Avg: B-C
28violations total
100% of national average
National avg: ~28 per system
🏘️ Small community water system.