Upper Glasston West Dam

High HazardPoor ConditionEmergency Action Plan: Yes

Location

StateMontana
CountySweet Grass
Nearest CityGREYCLIFF
River/StreamSWEETGRASS CANAL OFFSTREAM
Coordinates46.03367, -109.83067

Physical Characteristics

Dam TypeEarth
NID Height22 ft
Dam Height22 ft
Dam Length300 ft
Year Completed1912 (114 years old)

Storage & Hydraulics

NID Storage6,236 acre-ft
Max Storage6,236 acre-ft
Normal Storage6,236 acre-ft
Surface Area407 acres

Ownership & Safety

PurposeIrrigation
OwnerSWEETGRASS CANAL & RES CO
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection07/10/2021
Emergency Action PlanYes

Identifiers

NID IDMT00380
Federal IDMT00380
More InfoState Dam Safety Program

Nearby Dams

Upper Glasston North Dam 0.4 mi High Lower Glasston Dam 2.0 mi High Cain 6.1 mi Low Lavold Dam 6.1 mi Low Cramer (sweet Grass) 8.0 mi Low Marstaeller Irrigation Dam 11.1 mi Low Holzhey 11.5 mi Low Smoky Dam 11.6 mi Low Donald 12.3 mi Significant Burns Dam 13.5 mi Low