Black Hills Power & Light First Enlargement
Wyoming — Weston County — EAST BRANCH POISON CREEK
Location
| State | Wyoming |
| County | Weston |
| River | EAST BRANCH POISON CREEK |
| Coordinates | 43.97280, -104.40780 |
Physical Characteristics
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 700 ft |
| NID Storage | 195 acre-ft |
| Max Storage | — |
| Surface Area | 30 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Fair |
| EAP Status | Not Required |
| Last Inspection | April 29, 2021 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1940 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Public Utility |
| Owner | BLACK HILLS POWER AND LIGHT |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.