Walla Dam
Walla Dam is an earth dam located in Saunders County, Nebraska, built in 1967. It carries a Low hazard potential classification and has a poor condition assessment.
About Walla Dam
The primary purpose of Walla 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 2961 Linwood Trust & 2962 Linwood Trust (private). It impounds the Tr-platte River near Woodcliff.
The dam stands 37 feet tall and stretches 278 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 129 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1967, the structure is well into its service life at over 50 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 05/24/2022.
At 37 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Nebraska |
| County | Saunders |
| Nearest City | Woodcliff |
| River/Stream | Tr-platte River |
| Coordinates | 41.42183, -96.85470 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 32 ft |
| Dam Length | 278 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 129 acre-ft |
| Max Storage | 129 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 573 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | 2961 Linwood Trust & 2962 Linwood Trust |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/24/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00055 |
| Federal ID | NE00055 |
| More Info | State Dam Safety Program |