Canyon Lake Dam
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | South Dakota |
| County | Pennington |
| Nearest City | RAPID CITY |
| River/Stream | RAPID CREEK |
| Coordinates | 44.05821, -103.28846 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 23 ft |
| Dam Length | 1,325 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 610 acre-ft |
| Max Storage | 610 acre-ft |
| Normal Storage | 140 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 66 sq mi |
| Max Discharge | 50,000 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CITY OF RAPID CITY |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 04/09/2023 |
| Emergency Action Plan | Yes |