Lower Two Medicine

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMontana
CountyGlacier
Nearest CityEast Glacier Park
River/StreamTwo Medicine RIver
Coordinates48.49200, -113.26370

Physical Characteristics

Dam TypeEarth
NID Height70 ft
Dam Height38 ft
Dam Length1,085 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage27,050 acre-ft
Max Storage27,050 acre-ft
Normal Storage13,500 acre-ft
Surface Area851 acres
Drainage Area52 sq mi
Max Discharge20,600 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerBIA
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection10/07/2021
Emergency Action PlanYes

Identifiers

NID IDMT00573
Federal IDMT00573
More InfoState Dam Safety Program