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 751775 of 3,759

Dam NameHeight (ft)YearHazardCondition
Des Moines County Roadgrade Dam 6-69-4

Des Moines County

261985LowNot Rated
Des Moines-Scott Street Milldam

Polk County

71920LowNot Rated
Des Moines-Waterworks Dam

Polk County

71923LowNot Rated
Desoto Dam

Pottawattamie County

251960LowSatisfactory
Dessel Dam

Cherokee County

351963LowNot Rated
Detrick Dam

Henry County

302021LowNot Rated
Dettmer Dam

Lee County

261974LowNot Rated
Deutsch Dam

Marshall County

351960LowNot Rated
De Vries Damfountain Hills Plats 3 and 4 Dam

Marion County

252012LowNot Rated
Diamond Lake Campground Dam

Poweshiek County

262008LowNot Rated
Diamond Lake Dam

Dickinson County

81957LowNot Rated
Diamond Lake Watershed Site A-2

Poweshiek County

181966LowNot Rated
Diamond Lake Watershed Site B-9

Poweshiek County

281972LowNot Rated
Dickinson Dam

Washington County

291972LowNot Rated
Dickman Subwatershed Site 3-1

Woodbury County

381973LowNot Rated
Dickman Subwatershed Site M-2

Woodbury County

421973LowNot Rated
Dickman Subwatershed Site M-4

Woodbury County

341973LowNot Rated
Diede Dam

Woodbury County

271996LowNot Rated
Diede Dam

Plymouth County

271999LowNot Rated
Diehl Dam

Ringgold County

311991LowNot Rated
Diericky Pond Dam

Muscatine County

301987LowNot Rated
Diers Dam

Jefferson County

211969LowNot Rated
Dimick Dam

Jefferson County

291985LowNot Rated
Dimmitt Dam

Wapello County

201965LowNot Rated
Dingeman Dam

Marion County

271970LowNot Rated
PreviousPage 31 of 151Next

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