Custer School Dist No 15
PWSID: MT0001748
System Details
| Population Served | 100 |
| Service Connections | 1 |
| Water Source | Groundwater |
| System Type | Non-Transient Non-Community |
| Owner | State |
| Status | Active |
| City | Custer |
| Zip Code | 59024 |
| Note | School or Daycare |
Areas Served
- Custer, Yellowstone County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|---|---|---|
| Lead (90th percentile) | 0.0370 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0110 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) | 0.0010 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|---|---|---|---|
| 2024-10-01 | Open |
Violation History (25 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|---|---|---|---|
| 2022-10-01 | Returned to Compliance | |||
| 2021-09-29 | Returned to Compliance | |||
| 2020-07-01 | Returned to Compliance | |||
| 2020-01-01 | Major | Acknowledged | ||
| 2020-01-01 | Major | Returned to Compliance | ||
| 2020-01-01 | Major | Acknowledged | ||
| 2020-01-01 | Major | Acknowledged | ||
| 2020-01-01 | Major | Acknowledged | ||
| 2020-01-01 | Major | Returned to Compliance | ||
| 2020-01-01 | Major | Acknowledged | ||
| 2020-01-01 | Major | Acknowledged | ||
| 2019-01-01 | Returned to Compliance | |||
| 2018-01-01 | Returned to Compliance | |||
| 2017-12-01 | Major | Returned to Compliance | ||
| 2017-10-01 | Major | Returned to Compliance | ||
| 2016-07-01 | Yes | Returned to Compliance | ||
| 2016-07-01 | Major | Returned to Compliance | ||
| 2016-04-01 | Yes | Returned to Compliance | ||
| 2013-10-01 | Returned to Compliance | |||
| 2002-10-01 | Returned to Compliance | |||
| 2001-10-01 | Returned to Compliance | |||
| 1999-07-01 | Returned to Compliance | |||
| 1999-01-01 | Returned to Compliance | |||
| 1993-07-01 | Returned to Compliance |