HARLOWTON CITY OF Water Quality Report
Population
1,050
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 10
violations recorded
C
Fair
Safety Grade
10 violations in the past 5 years, including 1 health-based
System Details
- PWSID
- MT0000240
- Population Served
- 1,050
- Water Source
- Ground Water
- Owner
- Local Government
- State
- Montana
- EPA Region
- 8
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ✕ Health-Based | 7 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 12 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 2 |
Violation History
2025
2
2024
4
2023
4
2017
2
2009
1
2008
1
2006
1
2005
2
2004
1
2003
1
Total violations on record: 21
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade C
Avg: B-C
21violations total
75% of national average
National avg: ~28 per system
🏘️ Small community water system.