Walnut Creek 1
Walnut Creek 1 is an earth dam located in Saline County, Nebraska, built in 1979. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Walnut Creek 1
The primary purpose of Walnut Creek 1 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 Lower Big Blue Natural Resources District (local government). It impounds the Tr-walnut Creek near Crete.
The dam stands 28 feet tall and stretches 805 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 492 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1979, the structure is 47 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/08/2023.
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Location
| State | Nebraska |
| County | Saline |
| Nearest City | Crete |
| River/Stream | Tr-walnut Creek |
| Coordinates | 40.66242, -96.94376 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 25 ft |
| Dam Length | 805 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 492 acre-ft |
| Max Storage | 492 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 970 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Big Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/08/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01774 |
| Federal ID | NE01774 |
| More Info | State Dam Safety Program |