Dams in Lincoln County, Montana

19Total Dams
6High Hazard
4Significant

Dam Safety in Lincoln County, Montana

Lincoln County has 19 dams tracked in the National Inventory of Dams. Of these, 6 are classified as high hazard — meaning failure would probably cause loss of human life. Another 4 carry a significant hazard classification. Currently, 2 dams have a condition assessment of poor or unsatisfactory.

The average dam in Lincoln County is 66 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Libby Dam at 422 ft.

DamHazardConditionHeight (ft)PurposeYear
Libby DamHighNot Available422Hydroelectric1973
Kootenai Dvlpmnt Impoundment DamHighPoor151Other1980
Flower Creek DamHighSatisfactory59Water Supply2016
Lake CreekHighSatisfactory44Hydroelectric1917
Costich DamHighSatisfactory29Irrigation1956
Glen LakeHighPoor14Irrigation1950
Eureka Holding Pond DikeSignificant40Other1982
Mcgilla Gorilla #50Significant20Fire Protection, Stock, Or Small Fish Pond1970
Double N RanchSignificant16Recreation1965
Miller DamSignificant9Recreation1980
Crystal LakeLow30Other1950
Lake ReneLow20Fire Protection, Stock, Or Small Fish Pond1950
Black Lake (lincoln)Low20Other1935
Obermayer LakeLow15Fire Protection, Stock, Or Small Fish Pond1950
Okaga LakeLow15Fire Protection, Stock, Or Small Fish Pond1950
Vredenburg DamLow15Recreation1970
Libbey's LabelLow8Other1945
Shelly's HopeLow8Fire Protection, Stock, Or Small Fish Pond1950
Higham DamLow8Fire Protection, Stock, Or Small Fish Pond1945