Lower Pioneer Mountain Water System
PWSID: MT0004462
System Details
| Population Served | 350 |
| Service Connections | 210 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Private |
| Status | Active |
| City | Big Sky |
| Zip Code | 59716 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0120 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0040 mg/L | 0.015 mg/L | Below Action Level |
| 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) | 0.0010 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) | 0.0010 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) | 0.0010 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 (7 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2020-09-01 | Yes | Returned to Compliance |
| | 2020-09-01 | Yes | Returned to Compliance |
| | 2020-07-01 | | Returned to Compliance |
| | 2020-07-01 | | Returned to Compliance |
| | 2010-12-01 | Major | Returned to Compliance |
| | 2009-10-01 | | Returned to Compliance |
| | 2008-01-01 | | Returned to Compliance |