Major Lake
High HazardNot Rated ConditionEmergency Action Plan: Yes
Location
| State | South Dakota |
| County | Pennington |
| Nearest City | HILL CITY |
| River/Stream | SPRING CR TRIB |
| Coordinates | 43.93590, -103.56819 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 13 ft |
| Dam Length | 310 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 73 acre-ft |
| Max Storage | 73 acre-ft |
| Normal Storage | 29 acre-ft |
| Drainage Area | 32 sq mi |
| Max Discharge | 1,030 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 09/05/2019 |
| Emergency Action Plan | Yes |