Idaho Dams

395 dams tracked by the National Inventory of Dams

Total Dams

395

High Hazard

97

24.6%

Poor / Unsatisfactory

42

Average Age

76 yrs

Hazard Classification

High97 (24.6%)
Significant141 (35.7%)
Low156 (39.5%)

Condition Assessment

Satisfactory76 (19.2%)
Fair248 (62.8%)
Poor / Unsatisfactory42 (10.6%)
Not Rated29 (7.3%)

Federal

33

State

14

Local

18

Private

325

Poor Condition Dams

All Dams in Idaho

Showing 301325 of 395

Dam NameHeight (ft)YearHazardCondition
Dry Creek Dike

Payette County

341976SignificantFair
Dog Creek

Gooding County

261958SignificantFair
Diamond A

Owyhee County

291931LowFair
Deyo

Clearwater County

412011SignificantSatisfactory
Dewey

Cassia County

301913SignificantSatisfactory
Devil Creek

Oneida County

841969HighFair
Delamar Wmp-1

Owyhee County

422009LowSatisfactory
Deer Flat Upper Dam

Canyon County

741908HighNot Available
Deer Flat Middle

Canyon County

161911HighFair
Deer Flat Lower Dam

Canyon County

491908HighNot Available
Deer Creek

Clearwater County

482003SignificantFair
Deep Creek Upper

Oneida County

361906SignificantFair
Deep Creek No 2

Twin Falls County

421911SignificantFair
Deep Creek No 1

Twin Falls County

181911LowFair
Deep Creek

Oneida County

911952HighFair
Deadwood Dam

Valley County

1651931HighNot Available
Davis

Valley County

341942SignificantFair
Daniels

Oneida County

961967HighFair
Current Creek

Bannock County

491977SignificantSatisfactory
Curlew Valley

Oneida County

411911SignificantPoor
Crowther

Oneida County

901948HighFair
Cross Cut Diversion

Fremont County

181938LowSatisfactory
Crane Gulch Main Fork

Ada County

461998SignificantSatisfactory
Crane Gulch East Dam

Ada County

601998SignificantSatisfactory
Crane Creek Main Dam

Washington County

641912HighFair
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.