Blue Grass Water Users Association
PWSID: MT0004093
System Details
| Population Served | 60 |
| Service Connections | 18 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Private |
| Status | Active |
| City | Billings |
| Zip Code | 59106 |
Areas Served
- Billings, Yellowstone County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0023 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) | 0.0013 mg/L | 0.015 mg/L | Below Action Level |
Violation History (14 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-10-01 | Major | Returned to Compliance |
| | 2024-12-30 | | Returned to Compliance |
| | 2021-12-30 | | Returned to Compliance |
| | 2021-07-01 | | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2014-01-01 | Major | Returned to Compliance |
| | 2011-01-01 | | Returned to Compliance |
| | 2011-01-01 | Major | Returned to Compliance |
| | 2010-10-01 | | Returned to Compliance |
| | 2010-07-01 | | Returned to Compliance |
| | 2008-07-01 | | Returned to Compliance |
| | 2008-01-01 | Major | Returned to Compliance |
| | 2007-02-05 | | Returned to Compliance |