Ncmrwa North Shelby
PWSID: MT0005064
System Details
| Population Served | 300 |
| Service Connections | 8 |
| Water Source | Groundwater Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Helena |
| Zip Code | 59624 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0050 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 |
| 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 |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
Violation History (18 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-04-01 | | Returned to Compliance |
| | 2025-04-01 | | Returned to Compliance |
| | 2024-01-01 | | Returned to Compliance |
| | 2022-09-29 | | Returned to Compliance |
| | 2022-01-01 | Major | Returned to Compliance |
| | 2022-01-01 | Major | Returned to Compliance |
| | 2022-01-01 | Major | Acknowledged |
| | 2022-01-01 | Major | Returned to Compliance |
| | 2022-01-01 | | Returned to Compliance |
| | 2021-09-29 | | Returned to Compliance |
| | 2021-07-01 | Major | Returned to Compliance |
| | 2021-07-01 | Major | Returned to Compliance |
| | 2021-06-01 | Major | Returned to Compliance |
| | 2021-06-01 | Major | Returned to Compliance |
| | 2021-03-01 | Major | Returned to Compliance |
| | 2021-01-01 | Major | Returned to Compliance |
| | 2021-01-01 | Major | Acknowledged |
| | 2021-01-01 | Major | Returned to Compliance |