Lake Desmet (North Dam)
Wyoming — Johnson County — PINEY AND ROCK CREEK
Location
| State | Wyoming |
| County | Johnson |
| River | PINEY AND ROCK CREEK |
| Coordinates | 44.51629, -106.78298 |
Physical Characteristics
| NID Height | 120 ft |
| Dam Height | 80 ft |
| Dam Length | 4,000 ft |
| NID Storage | 234,987 acre-ft |
| Max Storage | 234,987 acre-ft |
| Surface Area | 2,653 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | June 26, 2024 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1975 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | JOHNSON COUNTY-LAKE DESMET OPERATING DEPT |
| Other Name | Enl of 973r, 5829r, 6225r |
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.