Iowa Dams

4,124 dams tracked by the National Inventory of Dams

Total Dams

4,124

High Hazard

2.2%

Poor / Unsatisfactory

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

State

141

Local

1,938

Private

2,014

Tallest Dams

High Hazard Dams

Poor Condition Dams

All Dams in Iowa

Showing 126–150 of 3,759

All High Hazard Significant Hazard Low Hazard Poor Fair Satisfactory

Dam Name	Height (ft)	Year	Hazard	Condition
West Wolf Creek Subwatershed Site 35 Woodbury County	41	1997	Low	Not Rated
West Wolf Creek Subwatershed Site 34 Woodbury County	28	1997	Low	Not Rated
West Wolf Creek Subwatershed Site 30a Woodbury County	31	1995	Low	Not Rated
West Wolf Creek Subwatershed Site 26 Woodbury County	33	1995	Low	Not Rated
West Wolf Creek Subwatershed Site 13 Woodbury County	40	1990	Low	Not Rated
West Wolf Creek Subwatershed Site 12l Woodbury County	35	1990	Low	Not Rated
West Wolf Creek Subwatershed Site 11 Woodbury County	30	1991	Low	Not Rated
West Sunnyside Watershed Site E-1 Plymouth County	34	1970	Low	Not Rated
West Sunnyside Watershed Site C-8 Plymouth County	24	1970	Low	Not Rated
West Sunnyside Watershed Site C-6 Plymouth County	33	1970	Low	Not Rated
West Sunnyside Watershed Site C-5 Plymouth County	29	1973	Low	Not Rated
West Sunnyside Watershed Site C-4 Plymouth County	52	1973	Low	Not Rated
West Sunnyside Watershed Site C-3 Plymouth County	54	1973	Low	Not Rated
West Sunnyside Watershed Site C-1-2 Plymouth County	49	1969	Low	Not Rated
West Sunnyside Watershed Site C-1-1 Plymouth County	34	1959	Low	Not Rated
West Sunnyside Watershed Site C-1 Plymouth County	35	1969	Low	Not Rated
West Sunnyside Watershed Site A-1 Plymouth County	38	1969	Low	Not Rated
Westside Subwatershed Site 3-2 Ida County	34	2003	Low	Not Rated
Westside Subwatershed Site 2-3 Ida County	30	1985	Low	Not Rated
Westside Subwatershed Site 2-2 Ida County	31	1985	Low	Not Rated
Westside Subwatershed Site 2-1 Ida County	40	1985	Low	Not Rated
West Lake Dam Des Moines County	21	1921	Low	Not Rated
West Fork One Subwatershed Site 4-4300 Woodbury County	36	1955	Low	Not Rated
West Fork One Subwatershed Site 4-4050 Woodbury County	29	1955	Low	Not Rated
West Fork One Subwatershed Site 2-10110 Woodbury County	29	1955	Low	Not 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.