Upper Big Nemaha 7-a

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateNebraska
CountyGage
Nearest CityADAMS
River/StreamTR-MID BR BIG NEMAHA RIVER
Coordinates40.45339, -96.51620

Physical Characteristics

Dam TypeEarth
NID Height42 ft
Dam Height37 ft
Dam Length843 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage908 acre-ft
Max Storage908 acre-ft
Normal Storage129 acre-ft
Surface Area24 acres
Drainage Area1 sq mi
Max Discharge6,150 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerNemaha Natural Resources District
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection05/30/2024
Emergency Action PlanYes

Identifiers

NID IDNE00993
Federal IDNE00993
More InfoState Dam Safety Program

Nearby Dams

Upper Big Nemaha 25-c 0.9 mi High Upper Big Nemaha 6-a 1.6 mi Significant Upper Big Nemaha G-12 1.9 mi Low Upper Big Nemaha G-13 1.9 mi Low Upper Big Nemaha G-14 2.3 mi Low Upper Big Nemaha G-25 3.0 mi Low Upper Big Nemaha G-18a 3.3 mi Low Upper Big Nemaha 18-b 3.6 mi Low Upper Big Nemaha G-34 3.6 mi Low Upper Big Nemaha 9-a 3.7 mi Low