Long Branch N-5

Long Branch N-5 is an earth dam located in Nemaha County, Nebraska, built in 1984. It carries a Low hazard potential classification and has a satisfactory condition assessment.

Hazard potentialLowFailure would cause limited damage
ConditionSatisfactoryBest of 4 ratings
Emergency action planNot reported
Last inspection05/02/2019
Height40 ft
Built198442 years ago

Dam profile

NID height · 40 ft
40 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

40 ft tall and 718 ft long, taller than 86% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Long Branch N-5

Long Branch N-5 is a dam in Nemaha, Nebraska. The dam is owned by Nemaha Natural Resources District (local government). It impounds the Long Br Big Nemaha River near Humboldt.

The dam stands 40 feet tall and stretches 718 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 214 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1984, the structure is 42 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 40 feet, this dam is taller than 86% of dams nationwide.

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Location

StateNebraska
CountyNemaha
Nearest CityHumboldt
River/StreamLong Br Big Nemaha River
Coordinates40.26194, -95.99251

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Height34 ft
Dam Length718 ft
Year Completed1984 (42 years old)

Storage & Hydraulics

NID Storage214 acre-ft
Max Storage214 acre-ft
Normal Storage59 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Max Discharge265 cfs

Ownership & Safety

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

Identifiers

NID IDNE02225
Federal IDNE02225
More InfoState Dam Safety Program