Lake Corsica Dam
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | South Dakota |
| County | Douglas |
| Nearest City | NONE |
| River/Stream | CHOTEAU CREEK |
| Coordinates | 43.40781, -98.29611 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 720 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 2,020 acre-ft |
| Max Storage | 2,020 acre-ft |
| Normal Storage | 1,200 acre-ft |
| Surface Area | 116 acres |
| Drainage Area | 81 sq mi |
| Max Discharge | 26,800 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | DOUGLAS COUNTY |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 08/15/2022 |
| Emergency Action Plan | Yes |