Tin Cup Lake (powell)

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateMontana
CountyPowell
Nearest CityDEER LODGE
River/StreamTIN CUP JOE CREEK
Coordinates46.38860, -112.85460

Physical Characteristics

Dam TypeEarth
NID Height19 ft
Dam Height19 ft
Dam Length600 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage229 acre-ft
Max Storage229 acre-ft
Normal Storage114 acre-ft
Surface Area19 acres
Drainage Area8 sq mi
Max Discharge530 cfs

Ownership & Safety

PurposeIrrigation
OwnerSTATE OF MONTANA, D.O.C.
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection06/19/2024
Emergency Action PlanYes

Identifiers

NID IDMT01387
Federal IDMT01387
More InfoState Dam Safety Program

Nearby Dams

Conleys Lake (powell) 0.3 mi Low Mud Lake 0.6 mi High Kerns Lake (powell) 1.0 mi High Taylor, Upper 1.6 mi High Powell 2.4 mi High Rock Creek Lake 4.9 mi Significant Rock Creek Lake Dam 5.3 mi Low Deer Lodge Sewage Lagoon 6.1 mi Low Doney Lake Dam 6.2 mi Low Lower Elliot Lake 7.8 mi Low