Upper Big Nemaha 9-a

Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyGage
Nearest CityADAMS
River/StreamTR-MID BR BIG NEMAHA RIVER
Coordinates40.50196, -96.54594

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height27 ft
Dam Length866 ft
Year Completed1985 (41 years old)

Storage & Hydraulics

NID Storage309 acre-ft
Max Storage309 acre-ft
Normal Storage66 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Max Discharge180 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerNemaha Natural Resources District
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection06/03/2020
Emergency Action PlanNot Required

Identifiers

NID IDNE02229
Federal IDNE02229
More InfoState Dam Safety Program

Nearby Dams

Upper Big Nemaha G-25 0.8 mi Low Upper Big Nemaha 9-b 1.1 mi Low Upper Big Nemaha G-24 1.2 mi Significant Upper Big Nemaha G-14 1.5 mi Low Middle Branch Big Nemaha 9-c 1.8 mi Low Middle Branch Big Nemaha 9-d 2.0 mi Low Upper Big Nemaha G-13 2.1 mi Low Upper Big Nemaha L-17 2.6 mi Low Golden Pond Dam 2.6 mi Low Upper Big Nemaha G-34 2.7 mi Low