Hardin City of
PWSID: MT0000235
System Details
| Population Served | 3,500 |
| Service Connections | 1,307 |
| Water Source | Surface Water |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Hardin |
| Zip Code | 59034 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0010 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
Violation History (13 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2025-04-01 | Major | Returned to Compliance |
| | 2020-09-01 | Major | Returned to Compliance |
| | 2020-09-01 | Major | Returned to Compliance |
| | 2020-09-01 | Major | Returned to Compliance |
| | 2020-09-01 | Major | Returned to Compliance |
| | 2014-01-01 | | Returned to Compliance |
| | 2013-07-01 | | Returned to Compliance |
| | 2012-07-01 | | Returned to Compliance |
| | 2010-07-01 | | Returned to Compliance |
| | 2006-07-01 | | Returned to Compliance |