Dams in Douglas County, Washington

15Total Dams
4High Hazard
1Significant
DamHazardConditionHeight (ft)PurposeYear
Chief Joseph DamHighNot Available230Hydroelectric1955
Rock IslandHighSatisfactory71Hydroelectric1932
Columbia River Orchard Reservoir 2HighSatisfactory13Irrigation2008
Isaak Dam No 4HighFair9Irrigation1987
Lincoln Rock S.p. Evaporative LagoonsSignificantSatisfactory15Other1981
Lower Rimrock DamLow67Recreation1972
Waterville Effluent Storage PondLow30Other1981
Billingsley DamLowSatisfactory15Flood Risk Reduction1949
Jenkins Webley DamLow15Irrigation1945
Mckay DamLow15Flood Risk Reduction1961
Jorgensen DamLow10Irrigation1946
Carl Malone Wildlife PondLow9Flood Risk Reduction1992
Waterville Sewage Treatment PondLow8Other1954
Sims DamLow7Flood Risk Reduction1960
Kohne Dam No 2Low7Irrigation1950