Rau School District No 21
PWSID: MT0003089
System Details
| Population Served | 80 |
| Service Connections | 1 |
| Water Source | Groundwater |
| System Type | Non-Transient Non-Community |
| Owner | Local Government |
| Status | Active |
| City | Sidney |
| Zip Code | 59270 |
| Note | School or Daycare |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Copper (90th percentile) | 1.7300 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0210 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0070 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0010 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0010 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 |
11 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2019-01-01 | | Open |
| | 2007-07-01 | | Open |
| | 2006-07-01 | | Open |
| | 2005-07-01 | | Open |
| | 2004-07-01 | | Open |
| | 2004-01-01 | | Open |
| | 2003-07-01 | | Open |
| | 2002-07-01 | | Open |
| | 2002-01-01 | Yes | Open |
| | 2001-01-01 | | Open |
| | 2000-07-01 | | Open |
Violation History (137 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-04-01 | | Returned to Compliance |
| | 2025-04-01 | | Returned to Compliance |
| | 2025-01-01 | | Acknowledged |
| | 2025-01-01 | | Returned to Compliance |
| | 2024-07-01 | | Returned to Compliance |
| | 2024-07-01 | | Returned to Compliance |
| | 2024-01-01 | | Acknowledged |
| | 2024-01-01 | | Returned to Compliance |
| | 2024-01-01 | | Acknowledged |
| | 2024-01-01 | | Acknowledged |
| | 2023-11-29 | | Returned to Compliance |
| | 2023-11-29 | | Returned to Compliance |
| | 2023-11-29 | | Returned to Compliance |
| | 2022-10-01 | Major | Returned to Compliance |
| | 2022-10-01 | Major | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Returned to Compliance |
| | 2021-09-02 | | Returned to Compliance |
| | 2021-09-01 | Major | Returned to Compliance |
| | 2021-07-01 | | Returned to Compliance |
| | 2021-07-01 | | Acknowledged |
| | 2021-07-01 | | Returned to Compliance |
| | 2021-07-01 | | Returned to Compliance |
| | 2021-02-01 | Major | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | | Returned to Compliance |
| | 2021-01-01 | Major | Acknowledged |
| | 2021-01-01 | Major | Returned to Compliance |
| | 2021-01-01 | Major | Acknowledged |
| | 2021-01-01 | Major | Acknowledged |
| | 2021-01-01 | Major | Acknowledged |
| | 2021-01-01 | Major | Returned to Compliance |
| | 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 |
Showing 50 of 126 historical violations.