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 33763400 of 3,759

Dam NameHeight (ft)YearHazardCondition
Wahlert Dam

Guthrie County

261986LowNot Rated
Wakonda Country Club Dam

Polk County

281995LowNot Rated
Walker Dam

Louisa County

311984LowNot Rated
Walker Dam

Des Moines County

381985LowNot Rated
Walker Dam

Warren County

321997LowNot Rated
Walker Dam

Montgomery County

302005LowNot Rated
Wallace Dam

Greene County

82024LowNot Rated
Wallace Dam

Pottawattamie County

332004LowNot Rated
Walling Subwatershed Sta 18+02 #5

Woodbury County

351953LowNot Rated
Walling Subwatershed Sta 18+50 #1j

Woodbury County

321953LowNot Rated
Walling Subwatershed Sta 19+11 #1k

Woodbury County

281953LowNot Rated
Walling Subwatershed Sta 19+70 #4

Woodbury County

311953LowNot Rated
Walling Subwatershed Sta 20+86 #1b

Woodbury County

351953LowNot Rated
Walling Subwatershed Sta 23+00 #1h

Woodbury County

321953LowNot Rated
Walling Subwatershed Sta 31+73 #1

Woodbury County

281953LowNot Rated
Walling Subwatershed Sta 38+00 #1b

Woodbury County

321953LowNot Rated
Walling Subwatershed Sta 42+05 #4

Woodbury County

481953LowNot Rated
Walling Subwatershed Sta 55+40 #1

Woodbury County

501953LowNot Rated
Walling Subwatershed Sta 57+84 #1b

Woodbury County

511953LowNot Rated
Walling Subwatershed Sta 77+50 #1

Woodbury County

481953LowNot Rated
Walling Subwatershed Sta 78+96 #1b

Woodbury County

321953LowNot Rated
Walling Subwatershed Sta 99+70 #1

Woodbury County

401953LowNot Rated
Walnut Creek Dam Site 1

Jefferson County

271995LowNot Rated
Walnut Creek Dam Site 2

Jefferson County

251995LowNot Rated
Walnut Creek Duck Marsh Dam

Ringgold County

81959LowNot 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.