Dams in Thurston County, Washington

17Total Dams
7High Hazard
0Significant

Dam Safety in Thurston County, Washington

Thurston County has 17 dams tracked in the National Inventory of Dams. Of these, 7 are classified as high hazard — meaning failure would probably cause loss of human life. Currently, 2 dams have a condition assessment of poor or unsatisfactory.

The average dam in Thurston County is 57 years old. The most common purpose is recreation. The tallest dam is La Grande at 217 ft.

DamHazardConditionHeight (ft)PurposeYear
La GrandeHighSatisfactory217Hydroelectric1944
SkookumchuckHighSatisfactory160Hydroelectric1970
Yelm Canal DikeHighUnsatisfactory35Hydroelectric1930
Kyte DamHighPoor20Irrigation1966
Berger DamHighFair11Recreation1970
Windsor Waterski PondHighFair11Recreation1992
Spscc Stormwater Pond FHighSatisfactory10Flood Risk Reduction2005
Deschutes DamLow45Recreation1951
Kaufman DamLow38Irrigation1967
Lawrence Lake DamLow30Recreation1918
Centralia Coal Mine Dam No 32bLowFair27Flood Risk Reduction1991
Havvaski Waterski PondLow12Recreation1992
Tempo Lake DamLow10Recreation1960
Centralia Coal Mine Dam No 20cLow10Tailings1981
Seeley Ski LakeLow9Recreation1992
Maytown Ski Pond DamLow9Recreation1987
Summit Lake DamLow7Recreation1955