Plum Creek 3-a

Plum Creek 3-a is an earth dam located in Pawnee County, Nebraska, built in 1971. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Plum Creek 3-a

The primary purpose of Plum Creek 3-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 Big Blue Natural Resources District (local government). It impounds the Tr-plum Creek near Liberty.

The dam stands 35 feet tall and stretches 595 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 340 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, 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 06/23/2022.

At 35 feet, this dam is taller than 82% of dams nationwide.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyPawnee
Nearest CityLiberty
River/StreamTr-plum Creek
Coordinates40.08257, -96.46193

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height29 ft
Dam Length595 ft
Year Completed1971 (55 years old)

Storage & Hydraulics

NID Storage340 acre-ft
Max Storage340 acre-ft
Normal Storage73 acre-ft
Surface Area14 acres
Drainage Area0 sq mi
Max Discharge1,016 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerLower Big Blue Natural Resources District
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/23/2022
Emergency Action PlanNot Required

Identifiers

NID IDNE00782
Federal IDNE00782
More InfoState Dam Safety Program

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