Long Branch 42

Long Branch 42 is an earth dam located in Richardson County, Nebraska, built in 1981. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Long Branch 42

The primary purpose of Long Branch 42 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 Nemaha Natural Resources District (local government). It impounds the Tr-crooked Branch Creek near Humboldt.

The dam stands 38 feet tall and stretches 750 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 229 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1981, the structure is 45 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 05/18/2023.

At 38 feet, this dam is taller than 85% of dams nationwide.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyRichardson
Nearest CityHumboldt
River/StreamTr-crooked Branch Creek
Coordinates40.20929, -95.97196

Physical Characteristics

Dam TypeEarth
NID Height38 ft
Dam Height27 ft
Dam Length750 ft
Year Completed1981 (45 years old)

Storage & Hydraulics

NID Storage229 acre-ft
Max Storage229 acre-ft
Normal Storage45 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Max Discharge432 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerNemaha Natural Resources District
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection05/18/2023
Emergency Action PlanNot Required

Identifiers

NID IDNE01815
Federal IDNE01815
More InfoState Dam Safety Program

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