Black Hills Nf-cook Lake Cg
PWSID: WY5680010
System Details
| Population Served | 165 |
| Service Connections | 1 |
| Water Source | Groundwater |
| System Type | Transient Non-Community |
| Owner | Federal |
| Status | Active |
| City | Spearfish |
| Zip Code | 57783 |
Areas Served
- Sundance, Crook County
Violation History (5 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|---|---|---|---|
| 2025-09-01 | Major | Acknowledged | ||
| 2025-07-11 | Returned to Compliance | |||
| 2018-03-07 | Returned to Compliance | |||
| 2017-09-01 | Major | Returned to Compliance | ||
| 2016-09-01 | Yes | Returned to Compliance |