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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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountySaunders
Nearest CityWoodcliff
River/StreamTr-platte River
Coordinates41.42183, -96.85470

Physical Characteristics

Dam TypeEarth
NID Height37 ft
Dam Height32 ft
Dam Length278 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage129 acre-ft
Max Storage129 acre-ft
Normal Storage27 acre-ft
Surface Area3 acres
Drainage Area1 sq mi
Max Discharge573 cfs

Ownership & Safety

PurposeFlood Risk Reduction
Owner2961 Linwood Trust & 2962 Linwood Trust
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection05/24/2022
Emergency Action PlanNot Required

Identifiers

NID IDNE00055
Federal IDNE00055
More InfoState Dam Safety Program

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