Walnut Creek 4
Walnut Creek 4 is an earth dam located in Lancaster County, Nebraska, built in 1982. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Walnut Creek 4
The primary purpose of Walnut Creek 4 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Lower Big Blue Natural Resources District (local government). It impounds the Walnut Creek near Crete.
The dam stands 31 feet tall and stretches 790 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 413 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1982, the structure is 44 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 04/21/2022.
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Location
| State | Nebraska |
| County | Lancaster |
| Nearest City | Crete |
| River/Stream | Walnut Creek |
| Coordinates | 40.65100, -96.91276 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 26 ft |
| Dam Length | 790 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 413 acre-ft |
| Max Storage | 413 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 860 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Lower Big Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/21/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02181 |
| Federal ID | NE02181 |
| More Info | State Dam Safety Program |