Dams in Franklin County, Idaho

21Total Dams
8High Hazard
6Significant

Dam Safety in Franklin County, Idaho

Franklin County has 21 dams tracked in the National Inventory of Dams. Of these, 8 are classified as high hazard — meaning failure would probably cause loss of human life. Another 6 carry a significant hazard classification. Currently, 2 dams have a condition assessment of poor or unsatisfactory.

The average dam in Franklin County is 90 years old. The most common purpose is irrigation. The tallest dam is Oneida Main at 114 ft.

DamHazardConditionHeight (ft)PurposeYear
Oneida MainHighFair114Irrigation1920
GlendaleHighFair73Other1930
FosterHighFair70Irrigation1962
LamontHighFair68Irrigation1948
Oneida EmbankmentHighFair60Irrigation1921
Strong Arm No 1 (upper)HighFair39Other1887
Twin Lakes SouthHighSatisfactory36Irrigation1920
Twin Lakes NorthHighFair32Irrigation1920
WinderSignificantFair57Irrigation1958
CondieSignificantSatisfactory41Other1948
Andreasen LowerSignificantSatisfactory33Irrigation1960
Andreasen UpperSignificantUnsatisfactory29Irrigation1957
JohnsonSignificantFair28Irrigation1860
Strong Arm No 2 (lower)SignificantPoor27Irrigation1897
Five Mile Erosion ContrLowSatisfactory44Other1952
TingeyLowFair25Irrigation1955
Van OrdenLowFair23Irrigation1961
CaspersonLowFair22Irrigation1958
OxfordLowFair21Other1920
NashLowFair21Irrigation1952
MorrisonLowFair17Irrigation1959