Geiger

Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyNiobrara
Nearest CityEDGEMONT, SD
River/StreamCHAPMAN DRAW
Coordinates43.33380, -104.16370

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height32 ft
Dam Length709 ft
Year Completed1952 (74 years old)

Storage & Hydraulics

NID Storage544 acre-ft
Max Storage544 acre-ft
Normal Storage310 acre-ft
Surface Area39 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerSTANLEY B. RENNARD
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection10/19/2022
Emergency Action PlanNot Required

Identifiers

NID IDWY00584
Federal IDWY00584
More InfoState Dam Safety Program

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