Steffen Dam
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Nebraska |
| County | Knox |
| Nearest City | SIOUX CITY IA |
| River/Stream | TR-BEAVER CREEK |
| Coordinates | 42.77839, -97.51266 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 26 ft |
| Dam Length | 691 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 255 acre-ft |
| Max Storage | 255 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 415 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Thomas & Donna Steffen Revocable Trust |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/21/2020 |
| Emergency Action Plan | Not Required |