East Helena City of
PWSID: MT0000196
System Details
| Population Served | 2,114 |
| Service Connections | 897 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | East Helena |
| Zip Code | 59635 |
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) | 0.0020 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) | 0.0020 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 |
Violation History (10 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-06-01 | Major | Returned to Compliance |
| | 2025-01-01 | | Acknowledged |
| | 2025-01-01 | | Acknowledged |
| | 2022-11-04 | Yes | Returned to Compliance |
| | 2021-07-01 | | Returned to Compliance |
| | 2015-12-30 | | Returned to Compliance |
| | 2013-07-01 | | Returned to Compliance |
| | 2008-07-01 | | Returned to Compliance |
| | 2003-08-14 | | Returned to Compliance |
| | 2003-08-14 | | Returned to Compliance |