Horsethief Lake
High HazardNot Rated ConditionEmergency Action Plan: Yes
Location
| State | South Dakota |
| County | Pennington |
| Nearest City | KEYSTONE |
| River/Stream | PINE CREEK |
| Coordinates | 43.89438, -103.47964 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 65 ft |
| Dam Height | 62 ft |
| Dam Length | 325 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 590 acre-ft |
| Max Storage | 590 acre-ft |
| Normal Storage | 464 acre-ft |
| Drainage Area | 4 sq mi |
| Max Discharge | 990 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 09/27/2019 |
| Emergency Action Plan | Yes |