Legion Lake Dam
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | South Dakota |
| County | Custer |
| Nearest City | NONE |
| River/Stream | GALENA CREEK |
| Coordinates | 43.75962, -103.46348 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 207 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 198 acre-ft |
| Max Storage | 198 acre-ft |
| Normal Storage | 59 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 5,944 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | GF&P |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 10/24/2023 |
| Emergency Action Plan | Yes |