Wilsall Water District
PWSID: MT0000362
System Details
| Population Served | 250 |
| Service Connections | 130 |
| Water Source | Groundwater Under Influence |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Wilsall |
| Zip Code | 59086 |
Areas Served
- Wilsall, Park County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|---|---|---|
| Lead (90th percentile) | 0.0030 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|---|---|---|---|
| 2019-10-03 | Yes | Open |
Violation History (12 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|---|---|---|---|
| 2025-10-01 | Yes | Acknowledged | ||
| 2025-09-01 | Acknowledged | |||
| 2025-09-01 | Yes | Acknowledged | ||
| 2025-08-01 | Acknowledged | |||
| 2018-04-01 | Yes | Returned to Compliance | ||
| 2011-01-01 | Returned to Compliance | |||
| 2010-10-01 | Returned to Compliance | |||
| 2010-07-01 | Returned to Compliance | |||
| 2008-01-01 | Returned to Compliance | |||
| 2007-07-01 | Returned to Compliance | |||
| 2004-10-01 | Returned to Compliance |