Sully Dam
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Tripp |
| Nearest City | NONE |
| River/Stream | TR-West Branch Bull Creek |
| Coordinates | 43.37963, -99.58566 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 952 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 1,062 acre-ft |
| Max Storage | 1,062 acre-ft |
| Normal Storage | 420 acre-ft |
| Max Discharge | 1,599 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | S&PL |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 12/21/2023 |
| Emergency Action Plan | Not Required |