Dams in Spokane County, Washington

28Total Dams

10High Hazard

3Significant

Dam	Hazard	Condition	Height (ft)	Purpose	Year
Nine Mile	High	Satisfactory	87	Hydroelectric	1908
Spokane Hutterian Brethren Dam	High	Poor	39	Flood Risk Reduction	2006
Upriver Dam	High	Poor	38	Hydroelectric	1937
Reflection Lake South Dam	High	Fair	28	Recreation	1955
Deer Park Ww Storage Lagoon No 3	High	Satisfactory	24	Other	1997
Deer Park Ww Storage Lagoons 1 & 2	High	Satisfactory	23	Other	1985
Hog Lake Dam	High	Fair	22	Recreation	1957
Deer Park Aeration Lagoon	High	Fair	17	Other	2023
Newman Lake Flood Control Dam	High	Poor	13	Flood Risk Reduction	1976
Reflection Lake North Dam	High	Fair	8	Recreation	1955
Rockford Wastewater Pond No. 3	Significant	Satisfactory	24	Other	1999
Fairfield Sewage Aerated Lagoon - Lagoon 1	Significant	Fair	13	Other	2003
Fairfield Sewage Equalization Basin - Lagoon 2	Significant	Fair	12	Other	1966
Williams Lake Sewer Dist 2 Lagoons	Low		30	Other	2007
Long Lake East Dam	Low	Fair	25	Fish and Wildlife Pond	1960
Upper Falls Intake Dam	Low	Satisfactory	20	Hydroelectric	1922
Chapman Lake Dam	Low		18	Recreation	1940
Dragoon Lake Dam	Low		18	Recreation	1913
Lower Pine Lake Dam	Low	Satisfactory	18	Fish and Wildlife Pond	1940
Martin Dam	Low		16	Irrigation	1972
Williams Dam	Low		14	Flood Risk Reduction	1982
Dosser Reservoir Dam	Low		14	Irrigation	1959
Upper Turnbull Dam	Low	Fair	12	Fish and Wildlife Pond	1960
Blackhorse East Dam	Low	Poor	12	Fish and Wildlife Pond	1960
Middle Pine Lake Dam	Low	Poor	11	Fish and Wildlife Pond	1938
Wandermere Lake Dam	Low		10	Recreation	1930
Upper Blackhorse Dam	Low	Fair	10	Fish and Wildlife Pond	1960
Lower Turnbull Dam	Low	Fair	8	Fish and Wildlife Pond	1960