Harrison School District No 23
PWSID: MT0003790
System Details
| Population Served | 100 |
| Service Connections | 1 |
| Water Source | Groundwater |
| System Type | Non-Transient Non-Community |
| Owner | Local Government |
| Status | Active |
| City | Harrison |
| Zip Code | 59735 |
| Note | School or Daycare |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| 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 |
Violation History (199 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-08-01 | Major | Acknowledged |
| | 2024-12-01 | Major | Returned to Compliance |
| | 2024-11-01 | Major | Acknowledged |
| | 2024-08-01 | Major | Acknowledged |
| | 2024-08-01 | Major | Returned to Compliance |
| | 2024-08-01 | Major | Returned to Compliance |
| | 2024-07-01 | Major | Acknowledged |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2024-07-01 | Major | Returned to Compliance |
| | 2024-06-01 | Major | Returned to Compliance |
| | 2024-06-01 | Major | Acknowledged |
| | 2024-06-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-04-01 | Major | Acknowledged |
| | 2024-04-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2023-08-01 | Major | Returned to Compliance |
| | 2023-08-01 | Major | Returned to Compliance |
| | 2022-07-01 | Major | Returned to Compliance |
| | 2022-07-01 | Major | Returned to Compliance |
| | 2022-07-01 | Major | Returned to Compliance |
| | 2021-12-01 | Major | Returned to Compliance |
| | 2021-01-01 | Major | Acknowledged |
| | 2021-01-01 | Major | Acknowledged |
| | 2021-01-01 | Major | Acknowledged |
| | 2021-01-01 | Major | Acknowledged |
| | 2021-01-01 | Major | Acknowledged |
| | 2021-01-01 | Major | Acknowledged |
| | 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 |
| | 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 |
| | 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 199 historical violations.