REPORT: Washington State Has 50 Dams In “Poor” Condition

SPOKANE, Wash. (AP) – An Associated Press investigation has found 50 dams in Washington state that are classified as high-hazard and in poor or unsatisfactory condition.

Dams are categorized by the hazard they pose were they to fail.

A high-hazard dam is likely to result in the loss of at least one human life if it were to fail.

Dams also are assessed by their conditions – ranging from satisfactory to fair to poor to unsatisfactory.

A dam in unsatisfactory condition has safety deficiencies requiring immediate action.

A dam in poor condition typically has safety deficiencies that may realistically occur, meaning repairs are necessary.

Of Washington’s 50 high-hazard dams listed in poor condition, the most are in Yakima County with seven.

Below are the state’s 50 poor condition dams, listed alphabetically by county:

  • Camano Island Cattle Co., Adams
  • Gap Road Reservoir, Benton
  • Paterson Ranch Reservoir, Benton
  • Blair Reservoir, Benton
  • Meadow Lake, Chelan
  • Colchuk Lake, Chelan
  • Square Lake, Chelan
  • Eightmile Lake Outlet, Chelan
  • Klonqua Lake, Chelan
  • Elwick, Clallam
  • Tri Mountain Estates, Clark
  • Haight Reservoir, Clark
  • Zirkle Partridge Ranch, Grant
  • Beacon Hill, Grays Harbor
  • Fairview Reservoir, Grays Harbor
  • Lords Lake East, Jefferson
  • Swano Lake, Grays Harbor
  • Sylvia Lake, Grays Harbor
  • College Hill, Grays Harbor
  • Newcastle Railroad Embankment, King
  • Lake Kittyprince, King
  • Koura, Kitsap
  • Upper Sunlight Lake, Kittitas
  • Johnson Creek Reservoir, Klickitat
  • Trask Lake, Mason
  • Belfair Wastewater Treated Water Pond, Mason
  • Fanchers, Okanogan
  • Schweitzer, Okanogan
  • Indian Creek, Pacific
  • Slavic Lake, Pierce
  • Buck Mountain Reservoir No. 1, San Juan
  • Whistle Lake, Skagit
  • Kayak Lake, Snohomish
  • Rainbow Springs, Snohomish
  • Nielsen Dam B, Snohomish
  • Nielsen Dam C, Snohomish
  • Spokane Hutterian Brethren, Spokane
  • Fairfield Sewage Lagoon No. 1, Spokane
  • Newman Lake Flood Control, Spokane
  • Deer Park Sewage Treatment, Spokane
  • Ponderosa Lake, Stevens
  • Van Stone Pit Lake, Stevens
  • Kyte, Thurston
  • Den Hoed Dam No. 1, Yakima
  • Evans Konnowac, Yakima
  • Coleman, Yakima
  • Black Rock Orchards, Yakima
  • Parker Reservoir, Yakima
  • Evans Pond, Yakima
  • Roy Farm Irrigation Pond, Yakima
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