Reliance Dam
Significant Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Lyman |
| Nearest City | OACOMA |
| River/Stream | American Crow Creek |
| Coordinates | 43.88115, -99.59288 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 525 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 530 acre-ft |
| Max Storage | 530 acre-ft |
| Normal Storage | 235 acre-ft |
| Surface Area | 46 acres |
| Drainage Area | 15 sq mi |
| Max Discharge | 1,425 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Reliance |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Last Inspection | 12/21/2023 |
| Emergency Action Plan | Not Required |