HILLDALE COLONY Water Quality Report
Population
79
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 7
violations recorded
C
Fair
Safety Grade
7 violations in the past 5 years
System Details
- PWSID
- MT0001774
- Population Served
- 79
- Water Source
- Surface Water
- Owner
- Private
- State
- Montana
- EPA Region
- 8
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 3 |
| Contaminant 5000 | ⚠ Monitoring/Reporting | 6 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 3 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 3 |
| Contaminant 0200 | ⚠ Monitoring/Reporting | 7 |
Violation History
2024
7
2019
2
2018
2
2017
3
2016
1
2015
3
2014
1
2010
1
2008
1
2002
1
Total violations on record: 22
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
22violations total
79% of national average
National avg: ~28 per system
🏘️ Small community water system.