Upper Big Nemaha 21-a

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyOtoe
Nearest CitySTERLING
River/StreamTR-MID BR BIG NEMAHA RIVER
Coordinates40.52801, -96.45698

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft
Dam Length908 ft
Year Completed1983 (43 years old)

Storage & Hydraulics

NID Storage427 acre-ft
Max Storage427 acre-ft
Normal Storage131 acre-ft
Surface Area24 acres
Drainage Area1 sq mi
Max Discharge300 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerNemaha Natural Resources District
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/21/2021
Emergency Action PlanNot Required

Identifiers

NID IDNE01895
Federal IDNE01895
More InfoState Dam Safety Program

Nearby Dams

Upper Big Nemaha L-12 0.5 mi Low Upper Big Nemaha 20-b 1.0 mi Low Upper Big Nemaha 20-a 1.4 mi Low Upper Big Nemaha G-15 1.5 mi Low Upper Big Nemaha 21-b 1.8 mi Low Upper Big Nemaha 20-c 1.9 mi Low Upper Big Nemaha G-23 1.9 mi Low Upper Big Nemaha G-16a 2.1 mi Low Upper Big Nemaha L-10 2.1 mi Low Upper Big Nemaha J-11 2.2 mi Low