List of dams and reservoirs in Washington
List

List of dams and reservoirs in Washington

Section Title: List
Table Section Text: None

Dam	County	Owner	Year	Type	Height	Reservoir	Reservoir capacity	Installed capacity (MW)	River	Primary purpose(s)

ft	m	acre.ft	dam3

Alder Dam	Pierce/ Thurston	Tacoma Power	1945	Arch	330	100	Alder Lake	241,950	298,440	50.0	Nisqually River	Hydroelectric

Bonneville Dam†	Skamania	U.S. Army Corps of Engineers	1937	Gravity	197	60	Lake Bonneville	537,000	662,000	1,242.0	Columbia River	Hydroelectric, Navigation

Boundary Dam	Pend Oreille	Seattle City Light	1967	Arch-gravity	340	100	Boundary Lake	95,000	117,000	1,070.0	Pend Oreille River	Hydroelectric

Box Canyon Dam	Pend Oreille	Pend Oreille Public Utility District	1956	Gravity	62	19	Box Canyon Reservoir	60,000	74,000	90.0	Pend Oreille River	Hydroelectric

Chief Joseph Dam	Douglas/ Okanogan	U.S. Army Corps of Engineers	1979	Gravity	135	41	Rock Island Pool	516,000	636,000	2,620.0	Columbia River	Hydroelectric

Cle Elum Dam	Kittitas	U.S. Bureau of Reclamation	1933	Earthfill	165	50	Cle Elum Lake	436,900	538,900	Cle Elum River	Irrigation

Culmback Dam	Snohomish	City of Everett, Snohomish County PUD	1965	Rockfill	262	80	Spada Lake	165,774	204,479	112.0	Sultan River	Water supply

Cushman Dam No. 1	Mason	Tacoma Power	1926	Arch	235	72	Lake Cushman	453,400	559,300	43.2	North Fork Skokomish River	Hydroelectric

Cushman Dam No. 2	Mason	Tacoma Power	1930	Arch	175	53	Lake Kokanee	8,000	9,900	81.0	North Fork Skokomish River	Hydroelectric

Diablo Dam	Whatcom	Seattle City Light	1930	Arch	389	119	Diablo Lake	88,500	109,200	129.0	Skagit River	Hydroelectric

Dry Falls Dam	Grant	U.S. Bureau of Reclamation	1949	Earthfill	123	37	Banks Lake	1,275,000	1,573,000	Grand Coulee	Irrigation

Gorge Dam	Whatcom	Seattle City Light	1961	Gravity	300	91	Gorge Lake	9,700	12,000	199.2	Skagit River	Hydroelectric

Grand Coulee Dam	Grant/ Okanogan	U.S. Bureau of Reclamation	1942	Gravity	550	170	Franklin Delano Roosevelt Lake	9,562,000	11,795,000	6,809.0	Columbia River	Irrigation, Hydroelectric, Flood control

Hiram M. Chittenden Locks and Dam	King	U.S. Army Corps of Engineers	1916	Gravity	26	7.9	Lake Washington	458,000	565,000	0	Lake Washington Ship Canal	Navigation

Howard A. Hanson Dam	King	U.S. Army Corps of Engineers	1961	Earthfill	235	72	Howard A. Hanson Reservoir	136,700	168,600	Green River	Flood control, Water supply

John Day Dam†	Klickitat	U.S. Army Corps of Engineers	1971	Gravity	184	56	Lake Umatilla	2,530,000	3,120,000	2,160.0	Columbia River	Hydroelectric, Navigation

Ice Harbor Dam	Franklin/ Walla Walla	U.S. Army Corps of Engineers	1962	Gravity	100	30	Lake Sacajawea	249,000	307,000	603.0	Snake River	Hydroelectric, Navigation

Kachess Dam	Kittitas	U.S. Bureau of Reclamation	1912	Earthfill	112	34	Kachess Lake	239,000	295,000	Kachess River	Irrigation

Keechelus Dam	Kittitas	U.S. Bureau of Reclamation	1917	Earthfill	128	39	Keechelus Lake	157,900	194,800	Yakima River	Irrigation

LaGrande Dam	Pierce/ Thurston	Tacoma Power	1945	Gravity	192	59	LaGrande Reservoir	2,700	3,300	65.0	Nisqually River	Hydroelectric

Lake Chelan Dam	Chelan	Chelan County Public Utility District	1927	Gravity	40	12	Lake Chelan	677,400	835,600	59.2	Chelan River	Hydroelectric

Lake Tapps (Multiple dikes)	Pierce	Cascade Water Alliance	1911	Earthfill	Lake Tapps	48,258	59,525	Off-stream	Recreation, Water supply (proposed)

Little Goose Dam	Columbia/ Whitman	U.S. Army Corps of Engineers	1970	Gravity	96	29	Lake Bryan	516,300	636,800	810.0	Snake River	Hydroelectric, Navigation

Long Lake Dam	Lincoln/ Stevens	Avista	1915	Gravity	213	65	Long Lake	105,000	130,000	71.0	Spokane River	Hydroelectric

Lower Baker Dam	Skagit	Puget Sound Energy	1925	Arch	285	87	Lake Shannon	161,470	199,170	79.0	Baker River	Hydroelectric

Lower Granite Dam	Garfield/ Whitman	U.S. Army Corps of Engineers	1975	Gravity	100	30	Lower Granite Lake	440,200	543,000	810.0	Snake River	Hydroelectric, Navigation

Lower Monumental Dam	Franklin/ Walla Walla	U.S. Army Corps of Engineers	1969	Gravity	100	30	Lake Herbert G. West	432,000	533,000	810.0	Snake River	Hydroelectric, Navigation

Masonry Dam	King	Seattle Public Utilities	1915	Arch-gravity	215	66	Chester Morse Lake/ Masonry Pool	93,900	115,800	30.0	Cedar River	Water supply, Hydroelectric

Mayfield Dam	Lewis	Tacoma Power	1963	Arch-gravity	250	76	Lake Mayfield	133,764	164,995	162.0	Cowlitz River	Hydroelectric

McNary Dam†	Benton	U.S. Army Corps of Engineers	1954	Gravity	183	56	Lake Wallula	1,350,000	1,670,000	986.0	Columbia River	Hydroelectric, Navigation

Merwin Dam	Clark/ Cowlitz	PacifiCorp	1931	Arch-gravity	313	95	Lake Merwin	422,000	521,000	136.0	Lewis River	Hydroelectric

Mossyrock Dam	Lewis	Tacoma Power	1968	Arch	606	185	Riffe Lake	1,685,000	2,078,000	300.0	Cowlitz River	Hydroelectric

Mud Mountain Dam	King	U.S. Army Corps of Engineers	1948	Earth/rockfill	432	132	Mud Mountain Lake	106,000	131,000	0	White River	Flood control

Pinto Dam	Grant	U.S. Bureau of Reclamation	1948	Earthfill	130	40	Billy Clapp Lake	21,200	26,100	Off-stream	Irrigation

Priest Rapids Dam	Grant/ Yakima	Grant County Public Utility District	1961	Gravity/ Embankment	178	54	Priest Rapids Lake	237,100	292,500	955.6	Columbia River	Hydroelectric

Rock Island Dam	Chelan/ Douglas	Chelan County Public Utility District	1933	Gravity	135	41	Rock Island Pool	131,000	162,000	623.7	Columbia River	Hydroelectric

Rocky Reach Dam	Chelan/ Douglas	Chelan County Public Utility District	1969	Gravity	130	40	Lake Entiat	382,000	471,000	1,299.6	Columbia River	Hydroelectric

Ross Dam	Whatcom	Seattle City Light	1949	Arch	540	160	Ross Lake	1,435,000	1,770,000	460.0	Skagit River	Hydroelectric

Skookumchuck Dam	Thurston	TransAlta	1970	Earthfill	190	58	Skookumchuck Reservoir	34,800	42,900	1.0	Skookumchuck River	Water supply

South Fork Tolt River Dam	King	Seattle Public Utilities	1964	Earthfill	200	61	South Fork Tolt Reservoir	57,900	71,400	6.55	South Fork Tolt River	Water supply

Swift Dam	Skamania	PacifiCorp	1958	Earthfill	512	156	Swift Reservoir	755,600	932,000	240.0	Lewis River	Hydroelectric

The Dalles Dam†	Klickitat	U.S. Army Corps of Engineers	1957	Gravity	200	61	Lake Celilo	330,000	410,000	1,878.3	Columbia River	Hydroelectric, navigation

Tieton Dam	Yakima	U.S. Bureau of Reclamation	1925	Earthfill	319	97	Rimrock Lake	203,600	251,100	15.6	Tieton River	Irrigation

Toutle River Sediment Retention Structure	Cowlitz	U.S. Army Corps of Engineers	1989	Earthfill	184	56	160,000	200,000	0	North Fork Toutle River	Sediment control

Upper Baker Dam	Whatcom	Puget Sound Energy	1959	Arch	312	95	Baker Lake	285,000	352,000	91.0	Baker River	Hydroelectric

Wanapum Dam	Grant/ Kittitas	Grant County Public Utility District	1963	Gravity/ Embankment	185	56	Lake Wanapum	796,000	982,000	1,040.0	Columbia River	Hydroelectric

Wells Dam	Chelan/ Douglas	Douglas County Public Utility District	1967	Gravity	160	49	Lake Pateros	331,200	408,500	851.4	Columbia River	Hydroelectric

Wynoochee Dam	Grays Harbor	City of Aberdeen	1972	Gravity	175	53	Wynoochee Lake	69,405	85,610	10.8	Wynoochee River	Water supply

Yale Dam	Clark/ Cowlitz	PacifiCorp	1953	Earthfill	323	98	Yale Lake	402,000	496,000	134.0	Lewis River	Hydroelectric

Sentence(s)

The Mossyrock Dam is one of the dams on Cowlitz River with 606 feet (185 m).

final_sentence: The Mossyrock Dam is one of the dams on Cowlitz River with 606 feet (185 m).