Irrigation Dams in Washington

Washington has 187 irrigation dams, of which 106 carry a high hazard classification. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area.

#	Dam	County	Height (ft)	Hazard	Condition	Year
1	Wenas Dam	Yakima	90	High	Fair	1911
2	Roza Ww5 Reregulation Reservoir	Yakima	76	High	Satisfactory	2017
3	French Canyon Dam	Yakima	74	High	Not Available	1985
4	Conconully Dam	Okanogan	72	High	Not Available	1911
5	Fanchers Dam	Okanogan	68	High	Fair	1926
6	Horse Spring Coulee Dam	Okanogan	67	Low		1924
7	Easton Diversion Dam	Kittitas	66	High	Not Available	1929
8	Upper Wheeler Dam	Chelan	65	High	Fair	1922
9	Stemilt Main Dam	Chelan	65	High	Fair	1962
10	Leader Lake Dam	Okanogan	61	High	Satisfactory	1910
11	Butterworth Dam	Pierce	60	Significant	Poor	1949
12	Soda Lake Dike	Grant	59	Low	Not Available	1952
13	Salmon Lake Dam	Okanogan	54	High	Not Available	1921
14	Evans Flavorland Reservoir No 1	Yakima	50	High	Satisfactory	1985
15	Upper Loop Reservoir	Chelan	47	High	Satisfactory	2015
16	Haller Dam	Clallam	45	Low		1945
17	Sunnyside Mp 59.29 Reservoir	Benton	44	High	Fair	2005
18	Sunnyside Mp 23.7 Reservoir	Yakima	43	High	Satisfactory	2008
19	Mountain Pond Dam	Walla Walla	42	High	Fair	1992
20	Malar Dam	Clark	40	Low		1955
21	Evans Flavorland Reservoir No 2	Yakima	40	High	Satisfactory	1998
22	Moxee Valley Orchards Dam	Yakima	39	High	Poor	1985
23	Beehive Dam	Chelan	38	High	Satisfactory	1953
24	Kaufman Dam	Thurston	38	Low		1967
25	Ob-3 Process Water Storage Lagoon 2	Adams	37	High		2021
26	Parker Reservoir Dam	Yakima	36	High	Poor	1955
27	Klonaqua Lake Dam	Chelan	35	High	Poor	1933
28	Evans Tieton Pond Dam	Yakima	35	High	Satisfactory	2004
29	Farmland Ranch 19 Dam	Yakima	35	High	Satisfactory	1992
30	West Bank Project Reservoir	Franklin	34	High	Satisfactory	2003
31	Sunnyside Mp 37.1 Reservoir	Yakima	34	High	Fair	2011
32	Evans Konnowac Dam	Yakima	33	High	Poor	1990
33	Tri Mountain Estates Dam	Clark	32	High	Satisfactory	1953
34	Patterson Lake Dam	Okanogan	32	High	Fair	1924
35	Orchards Block 96 Reservoir Dam	Walla Walla	32	High	Satisfactory	2001
36	Coffin Sheep Dam No 3	Benton	31	Low		1938
37	Berge Reservoir Dam	Skamania	31	Low		1954
38	Sheep Springs Dam	Adams	30	Low		1906
39	Spring Hill Dam	Chelan	30	High	Satisfactory	1918
40	Echo Falls Golf Course Reservoir No 2	Snohomish	30	Low		2000
41	Blair Reservoir Dam	Benton	28	High	Poor	1937
42	Wenatchee Heights Reservoir No 2 Dam	Chelan	28	High	Fair	1998
43	Binford Reservoir Dam	Clark	28	Low		1953
44	Koura Dam	Kitsap	28	High	Poor	1949
45	Sundstrom Dam No 2	San Juan	28	Low		1984
46	Smrekar Reservoir Dam	Whatcom	27	Low		1954
47	Elwick Dam	Clallam	25	High	Poor	1962
48	Twin Lakes	Ferry	25	High	Poor	1931
49	Spectacle Lake Dike	Okanogan	25	Low	Not Available	1969
50	Zylstra Dam No 2	San Juan	25	Low		1963
51	Blazing Tree Ranch Pond 6 Dam	San Juan	25	Low		1977
52	Blazing Tree Ranch Pond 5 South Dam	San Juan	25	Low		1965
53	Blazing Tree Ranch Pond 5 North Dam	San Juan	25	Low		1965
54	Chiawana Frenchman Hills Dam	Grant	24	High	Fair	1995
55	Boyd Lower Reservoir Dam	San Juan	24	High	Fair	1960
56	Paterson Ranch Reservoir	Benton	23	High	Fair	2010
57	Finley Ranch Reservoir	Benton	23	High	Satisfactory	2013
58	Boman Reservoir Dam	Ferry	23	High	Fair	1977
59	Roche Pomona Dam	Yakima	23	High	Satisfactory	1995
60	Eightmile Lake Outlet Dam	Chelan	22	High	Poor	1933
61	Wood Reservoir Dam No 2	Chelan	22	High	Satisfactory	1989
62	Wood Reservoir Dam No 1	Chelan	22	High	Satisfactory	1991
63	Great Depression Dam	Chelan	22	High	Fair	1998
64	Bacchus Dam	Franklin	22	Low		1973
65	Loutsis Dam	King	22	Low	Satisfactory	1970
66	Upper Sunlight Lake Dam	Kittitas	22	High	Satisfactory	1967
67	Garvey Dam	Stevens	22	Low		1986
68	Orchards Block 92 Dam	Walla Walla	22	Low		1992
69	Selah Home Ranch Reservoir	Yakima	22	High	Satisfactory	2009
70	Unruh Reservoir Dam	Whatcom	21	Low		1959
71	Chiawana Gleed Ranch Dam	Yakima	21	High	Fair	2003
72	Olympic Orchards Dam 2	Yakima	21	High	Fair	1985
73	Olympic Orchards Dam 1	Yakima	21	High	Poor	1985
74	Roza Wasteway 6 Reregulation Reservoir	Benton	20	Low		1988
75	Jones Dam	Clark	20	Low		1977
76	Moses Lake South Dam	Grant	20	Low	Not Available	1961
77	Woods Reservoir Dam	San Juan	20	Low		1972
78	Kyte Dam	Thurston	20	High	Poor	1966
79	Selah Naches Ranch Reservoir	Yakima	20	High	Satisfactory	2004
80	Shiflett Reservoir No. 1	Chelan	19	High	Fair	1945
81	Stemilt Equalizing Reservoir	Chelan	19	High	Satisfactory	1985
82	H & H Reservoir Dam No 1	Chelan	19	High	Satisfactory	1926
83	Koehn Ranch Reservoir	Grant	19	High	Satisfactory	2009
84	Moses Lake North Dam	Grant	19	Low		1930
85	Thorald Dam	San Juan	19	Low		1988
86	Firnstahl Dam	Snohomish	19	Low	Poor	1965
87	Colchuck Lake Dam	Chelan	18	High	Poor	1930
88	3 Amigos Reservoir	Chelan	18	High	Satisfactory	2003
89	Erickson Dam	Clark	18	Significant	Poor	1968
90	Dionysus Dam	Franklin	18	High	Fair	1973
91	Snoqualmie Ridge Golf Course Pond M1	King	18	Low		1997
92	Johnson Creek Reservoir Dam	Klickitat	18	High	Fair	1982
93	Brown Dam Lincoln Co	Lincoln	18	Low		1965
94	Schweitzer Dam And Reservoir	Okanogan	18	High	Poor	1914
95	Duncan Dam No 2	Pend Oreille	18	Low		1966
96	Islewood Dam	Skagit	18	High	Fair	1971
97	Dhondt Dam	Stevens	18	Low		1983
98	Sowers Reservoir Dam	Stevens	18	Low		1958
99	Flat Top Ranch Frost Control Pond	Walla Walla	18	High	Fair	1996
100	Van Wingerden Pond 1	Yakima	18	Low	Fair	1980

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