Hysham Town of
PWSID: MT0000428
System Details
| Population Served | 262 |
| Service Connections | 184 |
| Water Source | Surface Water |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Hysham |
| Zip Code | 59038 |
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) | 0.0000 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 (114 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Acknowledged |
| | 2025-07-01 | | Acknowledged |
| | 2025-07-01 | Yes | Acknowledged |
| | 2025-07-01 | Yes | Acknowledged |
| | 2025-06-01 | Yes | Acknowledged |
| | 2025-06-01 | | Acknowledged |
| | 2025-04-01 | Major | Acknowledged |
| | 2025-04-01 | Major | Acknowledged |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Acknowledged |
| | 2023-01-01 | Major | Acknowledged |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Acknowledged |
| | 2023-01-01 | Major | Acknowledged |
| | 2022-12-01 | Yes | Acknowledged |
| | 2022-12-01 | Yes | Acknowledged |
| | 2022-12-01 | Yes | Acknowledged |
| | 2022-12-01 | Yes | Acknowledged |
| | 2022-11-01 | Major | Acknowledged |
| | 2022-11-01 | Major | Acknowledged |
| | 2022-11-01 | Major | Acknowledged |
| | 2022-11-01 | Major | Acknowledged |
| | 2022-10-01 | Yes | Acknowledged |
| | 2022-10-01 | Yes | Acknowledged |
| | 2022-10-01 | Yes | Acknowledged |
| | 2022-09-01 | Yes | Acknowledged |
| | 2022-09-01 | Yes | Acknowledged |
| | 2022-09-01 | Yes | Acknowledged |
| | 2022-09-01 | Yes | Acknowledged |
| | 2022-08-01 | Yes | Returned to Compliance |
| | 2022-08-01 | Yes | Returned to Compliance |
| | 2022-08-01 | Yes | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-04-01 | Yes | Returned to Compliance |
| | 2022-04-01 | Yes | Returned to Compliance |
| | 2021-12-30 | | Returned to Compliance |
| | 2021-07-01 | | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
| | 2020-01-01 | Major | Returned to Compliance |
Showing 50 of 114 historical violations.