Canyon Lake Dam
South Dakota — Pennington County — RAPID CREEK
Location
| State | South Dakota |
| County | Pennington |
| River | RAPID CREEK |
| Coordinates | 44.05821, -103.28846 |
Physical Characteristics
| NID Height | 31 ft |
| Dam Height | 23 ft |
| Dam Length | 1,325 ft |
| NID Storage | 610 acre-ft |
| Max Storage | 610 acre-ft |
| Surface Area | 29 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | April 9, 2023 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1976 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | CITY OF RAPID CITY |
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.