SEVILLE COLONY Water Quality Report
Population
116
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 54%
of 49,184 US systems
5-Year Record
⚠️ 2
violations recorded
B
Good
Safety Grade
2 violations in the past 5 years
System Details
- PWSID
- MT0002974
- Population Served
- 116
- Water Source
- Surface Water
- Owner
- Private
- State
- Montana
- EPA Region
- 8
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ⚠ Monitoring/Reporting | 3 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 4 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 1094 | ⚠ Monitoring/Reporting | 1 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 1 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 1 |
Violation History
2025
2
2020
2
2017
1
2015
2
2009
2
2007
1
1993
1
Total violations on record: 11
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 B
Avg: B-C
11violations total
39% of national average
National avg: ~28 per system
🏘️ Small community water system.