Chinook City of
PWSID: MT0000174
System Details
| Population Served | 1,300 |
| Service Connections | 807 |
| Water Source | Surface Water |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Chinook |
| Zip Code | 59532 |
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) | 0.0020 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 (7 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-10-01 | Yes | Acknowledged |
| | 2025-07-01 | Yes | Acknowledged |
| | 2025-07-01 | Yes | Acknowledged |
| | 2025-04-01 | Yes | Acknowledged |
| | 2025-04-01 | Yes | Acknowledged |
| | 2025-04-01 | Yes | Acknowledged |
| | 2025-01-01 | Yes | Acknowledged |