Oak-middle 57-a

Oak-middle 57-a is an earth dam located in Seward County, Nebraska, built in 1968. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Oak-middle 57-a

The primary purpose of Oak-middle 57-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-peanut Creek near Raymond.

The dam stands 48 feet tall and stretches 1,530 feet across, creates a reservoir covering 55 acres, has a maximum storage capacity of 1,697 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1968, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/08/2023.

At 48 feet, this dam is taller than 92% of dams nationwide.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountySeward
Nearest CityRaymond
River/StreamTr-peanut Creek
Coordinates41.03139, -96.91424

Physical Characteristics

Dam TypeEarth
NID Height48 ft
Dam Height43 ft
Dam Length1,530 ft
Year Completed1968 (58 years old)

Storage & Hydraulics

NID Storage1,697 acre-ft
Max Storage1,697 acre-ft
Normal Storage383 acre-ft
Surface Area55 acres
Drainage Area5 sq mi
Max Discharge363 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerLower Platte South Natural Resources District
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection05/08/2023
Emergency Action PlanNot Required

Identifiers

NID IDNE00080
Federal IDNE00080
More InfoState Dam Safety Program

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