Wenzl Dam
Wenzl Dam is an earth dam located in Pawnee County, Nebraska, built in 1978. It carries a Low hazard potential classification and has a poor condition assessment.
About Wenzl Dam
The primary purpose of Wenzl Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Nemaha Natural Resources District (local government). It impounds the Tr-rock Creek near Steinauer.
The dam stands 35 feet tall and stretches 400 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 130 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1978, the structure is 48 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/12/2021.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Nebraska |
| County | Pawnee |
| Nearest City | Steinauer |
| River/Stream | Tr-rock Creek |
| Coordinates | 40.21453, -96.30797 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 31 ft |
| Dam Length | 400 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 130 acre-ft |
| Max Storage | 130 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 255 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/12/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01664 |
| Federal ID | NE01664 |
| More Info | State Dam Safety Program |