Upper Salt Creek 4-a
Upper Salt Creek 4-a is an earth dam located in Lancaster County, Nebraska, built in 1955. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Upper Salt Creek 4-a
The primary purpose of Upper Salt Creek 4-a 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 Platte South Natural Resources District (local government). It impounds the Tr-salt Creek near Roca.
The dam stands 28 feet tall and stretches 725 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 244 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1955, the structure is well into its service life at over 50 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 04/19/2023.
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Location
| State | Nebraska |
| County | Lancaster |
| Nearest City | Roca |
| River/Stream | Tr-salt Creek |
| Coordinates | 40.62861, -96.70862 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 25 ft |
| Dam Length | 725 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 244 acre-ft |
| Max Storage | 244 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2,000 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Platte South Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/19/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00507 |
| Federal ID | NE00507 |
| More Info | State Dam Safety Program |