Wauneta North Dam

Wauneta North Dam is an earth dam located in Chase County, Nebraska, built in 1970. It carries a Significant hazard potential classification and has a fair condition assessment.

About Wauneta North Dam

The primary purpose of Wauneta North 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 Chase County (local government). It impounds the Tr-frenchman River near Wauneta.

The dam stands 72 feet tall and stretches 1,212 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 2,934 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1970, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 08/03/2022.

At 72 feet, this dam is taller than 96% of all dams in the United States.

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Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyChase
Nearest CityWauneta
River/StreamTr-frenchman River
Coordinates40.43638, -101.36760

Physical Characteristics

Dam TypeEarth
NID Height72 ft
Dam Height72 ft
Dam Length1,212 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage2,934 acre-ft
Max Storage2,934 acre-ft
Normal Storage14 acre-ft
Surface Area5 acres
Drainage Area6 sq mi
Max Discharge279 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerChase County
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection08/03/2022
Emergency Action PlanNot Required

Identifiers

NID IDNE01140
Federal IDNE01140
More InfoState Dam Safety Program

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