Hanna Pilot Reservoir

Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyCarbon
Nearest CityLOCAL ROAD
River/StreamHANNA DRAW
Coordinates41.96410, -106.43630

Physical Characteristics

Dam TypeEarth
NID Height27 ft
Dam Height22 ft
Dam Length1,077 ft
Year Completed2001 (25 years old)

Storage & Hydraulics

NID Storage755 acre-ft
Max Storage755 acre-ft
Normal Storage500 acre-ft
Surface Area46 acres
Drainage Area0 sq mi
Spillway TypeNone

Ownership & Safety

PurposeOther
OwnerANADARKO LAND CORPORATION
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection07/10/2025
Emergency Action PlanNot Required

Identifiers

NID IDWY02275
Federal IDWY02275
More InfoState Dam Safety Program

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