Steffen Dam
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Gregory |
| River/Stream | TR-Ponca Creek |
| Coordinates | 43.14273, -99.34954 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 450 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 103 acre-ft |
| Max Storage | 103 acre-ft |
| Normal Storage | 59 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 675 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | DAVID STEFFEN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |