Cub Creek 17-b

Cub Creek 17-b is an earth dam located in Jefferson County, Nebraska, built in 1973. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Cub Creek 17-b

The primary purpose of Cub Creek 17-b 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-cub Creek near Beatrice.

The dam stands 32 feet tall and stretches 1,397 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 729 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1973, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 04/15/2021.

At 32 feet, this dam is taller than 76% of dams nationwide.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyJefferson
Nearest CityBeatrice
River/StreamTr-cub Creek
Coordinates40.24730, -97.18707

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height32 ft
Dam Length1,397 ft
Year Completed1973 (53 years old)

Storage & Hydraulics

NID Storage729 acre-ft
Max Storage729 acre-ft
Normal Storage121 acre-ft
Surface Area24 acres
Drainage Area1 sq mi
Max Discharge656 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerLower Big Blue Natural Resources District
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection04/15/2021
Emergency Action PlanNot Required

Identifiers

NID IDNE01175
Federal IDNE01175
More InfoState Dam Safety Program

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