Upper Twin Lakes

Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyRavalli
Nearest CityHAMILTON
River/StreamLOST HORSE CREEK
Coordinates46.16070, -114.49850

Physical Characteristics

Dam TypeEarth
NID Height14 ft
Dam Height14 ft
Dam Length450 ft
Year Completed1964 (62 years old)

Storage & Hydraulics

NID Storage220 acre-ft
Normal Storage220 acre-ft
Surface Area31 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerCHARLOS IRRIGATION DISTRICT
Owner TypeLocal Government
Hazard ClassificationLow
Last Inspection08/01/1989
Emergency Action PlanNot Required

Identifiers

NID IDMT01166
Federal IDMT01166
More InfoState Dam Safety Program

Nearby Dams

Lower Twin Lakes 0.6 mi Low Upper Bear Dam 4.5 mi Low Fish Lake 4.8 mi Low Blodgett Lake 6.6 mi Low High Lake 9.2 mi High Wyant Lake 9.5 mi Low Canyon Lake 10.0 mi High Mill Lake 10.3 mi High Sears 11.4 mi Low Fred Burr Lake 12.3 mi Low