Helena Water System
PWSID: MT0000241
System Details
| Population Served | 32,091 |
| Service Connections | 11,684 |
| Water Source | Surface Water |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Helena |
| Zip Code | 59602 |
Areas Served
- Helena, Lewis and Clark 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) | 0.0030 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0010 mg/L | 0.015 mg/L | Below Action Level |
Violation History (18 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2023-01-01 | Yes | Returned to Compliance |
| | 2023-01-01 | Yes | Returned to Compliance |
| | 2023-01-01 | Yes | Returned to Compliance |
| | 2023-01-01 | Yes | Returned to Compliance |
| | 2022-10-01 | Yes | Returned to Compliance |
| | 2022-10-01 | Yes | Returned to Compliance |
| | 2022-10-01 | Yes | Returned to Compliance |
| | 2022-10-01 | Yes | Returned to Compliance |
| | 2022-07-01 | Yes | Returned to Compliance |
| | 2022-07-01 | Yes | Returned to Compliance |
| | 2022-07-01 | Yes | Returned to Compliance |
| | 2022-07-01 | Yes | Returned to Compliance |
| | 2011-10-01 | | Returned to Compliance |
| | 2008-01-01 | Major | Acknowledged |
| | 2008-01-01 | Major | Acknowledged |
| | 2008-01-01 | Major | Acknowledged |
| | 2007-10-01 | | Returned to Compliance |
| | 2001-10-01 | | Returned to Compliance |