Upper Big Nemaha 20-b

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyJohnson
Nearest CitySTERLING
River/StreamTR-N FK BIG NEMAHA RIVER
Coordinates40.51432, -96.44885

Physical Characteristics

Dam TypeEarth
NID Height42 ft
Dam Height38 ft
Dam Length1,127 ft
Year Completed1973 (53 years old)

Storage & Hydraulics

NID Storage430 acre-ft
Max Storage430 acre-ft
Normal Storage91 acre-ft
Surface Area24 acres
Drainage Area1 sq mi
Max Discharge939 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerNemaha Natural Resources District
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/16/2021
Emergency Action PlanNot Required

Identifiers

NID IDNE00644
Federal IDNE00644
More InfoState Dam Safety Program

Nearby Dams

Upper Big Nemaha 20-a 0.5 mi Low Upper Big Nemaha 21-a 1.0 mi Low Upper Big Nemaha 20-c 1.1 mi Low Upper Big Nemaha J-11 1.3 mi Low Upper Big Nemaha L-12 1.4 mi Low Upper Big Nemaha G-16a 1.4 mi Low Upper Big Nemaha G-15 1.5 mi Low Upper Big Nemaha J-12a 1.7 mi Low Upper Big Nemaha J-12 1.9 mi Low Upper Big Nemaha J-45 2.2 mi Low