Annis

Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyNatrona
Nearest CityALCOVA
River/StreamARKANSAS CREEK
Coordinates42.45830, -107.01740

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length130 ft
Year Completed1948 (78 years old)

Storage & Hydraulics

NID Storage332 acre-ft
Max Storage332 acre-ft
Normal Storage166 acre-ft
Surface Area26 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerANNIS RANCH TRUST
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection09/23/2021
Emergency Action PlanNot Required

Identifiers

NID IDWY00405
Federal IDWY00405
More InfoState Dam Safety Program

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