Big Sky County Water and Sewer Dist 363
PWSID: MT0002385
System Details
| Population Served | 4,132 |
| Service Connections | 2,599 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Big Sky |
| Zip Code | 59716-0670 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0048 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) | 0.0040 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
Violation History (9 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-04-01 | Major | Returned to Compliance |
| | 2020-07-01 | | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2014-07-01 | | Returned to Compliance |
| | 2014-01-01 | | Returned to Compliance |
| | 2008-01-01 | Major | Acknowledged |
| | 2008-01-01 | Major | Acknowledged |
| | 2008-01-01 | Major | Acknowledged |
| | 1994-01-01 | | Returned to Compliance |