Iowa Dams

4,124 dams tracked by the National Inventory of Dams

Total Dams

4,124

High Hazard

91

2.2%

Poor / Unsatisfactory

25

Average Age

46 yrs

Hazard Classification

High91 (2.2%)
Significant274 (6.6%)
Low3,759 (91.1%)

Condition Assessment

Satisfactory259 (6.3%)
Fair81 (2.0%)
Poor / Unsatisfactory25 (0.6%)
Not Rated3,759 (91.1%)

Federal

25

State

141

Local

1,938

Private

2,014

All Dams in Iowa

Showing 36763700 of 3,759

Dam NameHeight (ft)YearHazardCondition
Arlington Subwatershed Sta 38+80 #11

Plymouth County

291965LowNot Rated
Arlington Subwatershed Sta 26+80 #12

Plymouth County

301965LowNot Rated
Arlen Meyer Dam

Page County

372023LowNot Rated
Arkema Dam #2

Marion County

272005LowNot Rated
Arkema Dam

Marion County

281996LowNot Rated
Argotsinger Dam

Crawford County

271958LowNot Rated
Argo Dam

Appanoose County

251985LowNot Rated
Arcola Subwatershed Sta 44+80

Monona County

361964LowNot Rated
Arcola Subwatershed Site B-5350

Monona County

301965LowNot Rated
Arcola Subwatershed Site B-3000

Monona County

341965LowNot Rated
Arcola Subwatershed Site 2-3090

Monona County

271965LowNot Rated
Arcola Subwatershed Site 1-5084

Monona County

281965LowNot Rated
Arco Dam

Dickinson County

291968LowNot Rated
Archer Wetland Dam

Appanoose County

81999LowNot Rated
Archer S Ltd. Dam

Davis County

271996LowNot Rated
Appenzeller Dam

Dallas County

351961LowNot Rated
Appanoose County Roadgrade Dam L-3-65

Appanoose County

271964LowNot Rated
Appanoose County Roadgrade Dam 32-68-18

Appanoose County

301969LowNot Rated
Appanoose County Roadgrade Dam 27-68-19

Appanoose County

261966LowNot Rated
Appanoose County Roadgrade Dam 2-68-18

Appanoose County

251964LowNot Rated
Appanoose County Roadgrade Dam 19-69-19

Appanoose County

291965LowNot Rated
Appanoose County Roadgrade

Appanoose County

271988LowNot Rated
Appanoose County Roadgrade

Appanoose County

241988LowNot Rated
Appanoose Country Club Dam

Appanoose County

331999LowNot Rated
Anthon Subwatershed Site 2-2760

Woodbury County

251954LowNot Rated
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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.