Upper Little Black A-7 Dam

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMissouri
CountyRipley
Nearest CityGRANDIN
River/StreamLITTLE BLACK
Coordinates36.80081, -90.66773

Physical Characteristics

Dam TypeEarth
NID Height54 ft
Dam Height54 ft
Dam Length1,600 ft
Year Completed1984 (42 years old)

Storage & Hydraulics

NID Storage5,793 acre-ft
Max Storage5,793 acre-ft
Normal Storage486 acre-ft
Surface Area64 acres
Drainage Area10 sq mi
Max Discharge8,367 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerUPPER LITTLE BLACK SUBD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection03/03/2022
Emergency Action PlanYes

Identifiers

NID IDMO31829
Federal IDMO31829
More InfoState Dam Safety Program

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