Lake Desmet (a,b,c & Spillway Dikes)

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateWyoming
CountyJohnson
Nearest CityUCROSS
River/StreamPINEY AND ROCK CREEK
Coordinates44.48900, -106.74400

Physical Characteristics

Dam TypeEarth
NID Height120 ft
Dam Height80 ft
Dam Length4,000 ft
Year Completed1975 (51 years old)

Storage & Hydraulics

NID Storage234,987 acre-ft
Max Storage234,987 acre-ft
Normal Storage111,827 acre-ft
Surface Area2,653 acres
Drainage Area40 sq mi
Max Discharge8,520 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerJOHNSON COUNTY-LAKE DESMET OPERATING DEPT
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection06/26/2024
Emergency Action PlanYes

Identifiers

NID IDWY02303
Federal IDWY02303
More InfoState Dam Safety Program

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