Long Branch 61

Long Branch 61 is an earth dam located in Nemaha County, Nebraska, built in 1986. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Long Branch 61

The primary purpose of Long Branch 61 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-long Branch Creek near Humboldt.

The dam stands 35 feet tall and stretches 790 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 341 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1986, the structure is 40 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 05/02/2019.

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
CountyNemaha
Nearest CityHumboldt
River/StreamTr-long Branch Creek
Coordinates40.27117, -96.05333

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height31 ft
Dam Length790 ft
Year Completed1986 (40 years old)

Storage & Hydraulics

NID Storage341 acre-ft
Max Storage341 acre-ft
Normal Storage61 acre-ft
Surface Area13 acres
Drainage Area1 sq mi
Max Discharge494 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerNemaha Natural Resources District
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection05/02/2019
Emergency Action PlanNot Required

Identifiers

NID IDNE02218
Federal IDNE02218
More InfoState Dam Safety Program

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