Upper Big Nemaha 18-a

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyJohnson
Nearest CitySTERLING
River/StreamTR-HOOKER CREEK
Coordinates40.40982, -96.44586

Physical Characteristics

Dam TypeEarth
NID Height43 ft
Dam Height41 ft
Dam Length739 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage538 acre-ft
Max Storage538 acre-ft
Normal Storage133 acre-ft
Surface Area15 acres
Drainage Area1 sq mi
Max Discharge640 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerNemaha Natural Resources District
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection05/15/2019
Emergency Action PlanNot Required

Identifiers

NID IDNE00633
Federal IDNE00633
More InfoState Dam Safety Program

Nearby Dams

Upper Big Nemaha J-32 0.4 mi Low Upper Big Nemaha J-28 0.6 mi Low Upper Big Nemaha J-40 1.0 mi Low Upper Big Nemaha J-34 1.2 mi Low Upper Big Nemaha 18-b 1.3 mi Low Upper Big Nemaha G-31 1.3 mi Low Upper Big Nemaha G-19 1.6 mi Low Upper Big Nemaha J-37 1.6 mi Significant Graham Dam 1.6 mi Low Upper Big Nemaha J-36 1.7 mi Low