Irrigation Dams in Idaho

Idaho has 184 irrigation dams, of which 38 carry a high hazard classification. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area.

#DamCountyHeight (ft)HazardConditionYear
1Mann Creek DamWashington148HighNot Available1967
2OakleyCassia145HighFair1916
3Little Wood River DamBlaine129HighNot Available1939
4Texas BasinOwyhee121HighFair1979
5Oneida MainFranklin114HighFair1920
6SodaCaribou103HighFair1925
7DanielsOneida96HighFair1967
8Fish CreekBlaine92HighPoor1923
9CrowtherOneida90HighFair1948
10Cedar CreekTwin Falls90HighFair1920
11Devil CreekOneida84HighFair1969
12Fairchild No. 1 (upper)Washington78HighFair1975
13AikmanGem77HighFair1999
14Jemima KValley71SignificantFair1974
15FosterFranklin70HighFair1962
16Soldiers Meadow DamNez Perce69HighNot Available1922
17Boise River Diversion DamAda68HighNot Available1908
18LamontFranklin68HighFair1948
19Dry Creek MainPayette68HighFair1976
20AshtonFremont65HighSatisfactory1917
21Milner S EmbankmentTwin Falls65HighSatisfactory1992
22Reservoir A DamNez Perce61HighNot Available1907
23Squaw CreekOwyhee61HighFair1968
24Long TomElmore60SignificantFair1906
25Oneida EmbankmentFranklin60HighFair1921
26BybeeOwyhee60LowFair1987
27WinderFranklin57SignificantFair1958
28Tom JValley57SignificantFair1995
29Little CamasElmore55SignificantFair1912
30Hulet No 2 DamOwyhee55SignificantFair1987
31BlackfootCaribou54HighFair1911
32WilliamsTwin Falls53SignificantFair1952
33Deer Flat Lower DamCanyon49HighNot Available1908
34Paddock ValleyWashington49HighFair1949
35SublettCassia48HighFair1914
36ShooflyOwyhee46LowFair1977
37Blackhawk LakeValley45SignificantFair1968
38Saint JohnOneida43HighUnsatisfactory1918
39HughesValley43SignificantFair1957
40Corral CreekValley43SignificantFair1952
41Tyson WestOwyhee42LowFair1967
42Murtaugh LakeTwin Falls42HighFair1905
43Hot Springs No 2Elmore41HighFair1968
44Sunset PalisadesNez Perce41SignificantFair1973
45Simplot Effluent Irrigation LagoonBannock39HighFair1981
46Rock CreekOwyhee37SignificantFair1965
47Twin Lakes SouthFranklin36HighSatisfactory1920
48Bray LakeGooding36SignificantFair1915
49Deep Creek UpperOneida36SignificantFair1906
50MonroeWashington36LowFair1916
51HawkinsBannock35SignificantFair1870
52ElkingtonBonneville35LowFair1994
53Dry Creek DiversionPayette35LowFair1976
54SmalleyValley35LowFair1952
55Boulder MeadowValley35SignificantPoor1968
56Cow CreekElmore34LowFair1915
57Rhead RanchElmore34LowSatisfactory1974
58Dry Creek DikePayette34SignificantFair1976
59DavisValley34SignificantFair1942
60HammondBear Lake33SignificantFair1933
61FrancisElmore33SignificantFair1914
62Andreasen LowerFranklin33SignificantSatisfactory1960
63King Reservoir South DamOwyhee33SignificantFair1969
64Little Crane CreekWashington33LowSatisfactory1908
65Twin Lakes NorthFranklin32HighFair1920
66Jug Creek UpperValley32SignificantFair1946
67Wilson LakeJerome31SignificantFair1909
68DeweyCassia30SignificantSatisfactory1913
69TrailElmore30SignificantFair1960
70King Reservoir (west Dam)Owyhee30SignificantFair1969
71Beal No 3Valley30SignificantFair1974
72Welling No 2Bear Lake29LowSatisfactory1962
73China Hat DikeCaribou29HighSatisfactory1923
74Andreasen UpperFranklin29SignificantUnsatisfactory1957
75Shiner UpperLemhi29SignificantFair1968
76Hot Springs No 3Elmore28SignificantFair1984
77JohnsonFranklin28SignificantFair1860
78Indian Creek PondPayette28SignificantFair1990
79Little (north Crane Creek Dam)Washington28SignificantFair1895
80Goose LakeAdams27HighFair1919
81Strong Arm No 2 (lower)Franklin27SignificantPoor1897
82Tyson NorthOwyhee27LowFair1967
83Pacific Land CoOwyhee27LowFair1965
84Tom J DikeValley27SignificantFair1995
85Bar DCuster26SignificantFair1950
86BrownOwyhee26LowFair1958
87Hornet Creek LowerWashington26LowFair1913
88CinnabarWashington26LowFair1975
89North Cove CreekWashington26LowFair1975
90Twin GraniteAdams25LowFair1920
91TingeyFranklin25LowFair1955
92Mountain View DamOwyhee25SignificantPoor1969
93McmullenTwin Falls25SignificantFair1948
94Granite LakeValley25SignificantFair1949
95Little Payette Lake MainValley25HighFair1926
96OlsonElmore24LowFair1981
97Heil No 1Twin Falls24LowFair1974
98Cedar Creek HoldingTwin Falls24LowFair1966
99KoskellaValley24LowFair1947
100CourtrightWashington24LowFair1973

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