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 526–550 of 3,759

All High Hazard Significant Hazard Low Hazard Poor Fair Satisfactory

Dam Name	Height (ft)	Year	Hazard	Condition
Turkey Cr Watershed Site 58 Cass County	32	1969	Low	Not Rated
Turkey Cr Watershed Site 53-6 Cass County	37	1967	Low	Not Rated
Turkey Cr Watershed Site 53-3 Cass County	38	1967	Low	Not Rated
Turkey Cr Watershed Site 53-2 Cass County	23	1980	Low	Not Rated
Turkey Cr Watershed Site 53-1 Cass County	26	1969	Low	Not Rated
Turkey Cr Watershed Site 49-A Cass County	36	1967	Low	Not Rated
Turkey Cr Watershed Site 49 Cass County	29	1967	Low	Not Rated
Turkey Cr Watershed Site 47 Cass County	34	1978	Low	Not Rated
Turkey Cr Watershed Site 42 Cass County	31	1974	Low	Not Rated
Turkey Cr Watershed Site 40-5a Cass County	33	1969	Low	Not Rated
Turkey Cr Watershed Site 40-5 Cass County	25	1969	Low	Not Rated
Turkey Cr Watershed Site 40-2 Cass County	32	1969	Low	Not Rated
Turkey Cr Watershed Site 40 Cass County	34	1980	Low	Not Rated
Turkey Cr Watershed Site 39 Cass County	31	1974	Low	Not Rated
Turkey Cr Watershed Site 37 Cass County	25	1969	Low	Not Rated
Turkey Cr Watershed Site 33 Cass County	35	1972	Low	Not Rated
Turkey Cr Watershed Site 2-5 Cass County	37	1990	Low	Not Rated
Turkey Cr Watershed Site 23-25 Cass County	25	1974	Low	Not Rated
Turkey Cr Watershed Site 23-20 Cass County	20	1974	Low	Not Rated
Turkey Cr Watershed Site 23-14 Cass County	25	1974	Low	Not Rated
Turkey Cr Watershed Site 19-9 Cass County	30	1972	Low	Not Rated
Turkey Cr Watershed Site 19-34a Cass County	22	1980	Low	Not Rated
Turkey Cr Watershed Site 19-27 Cass County	28	1990	Low	Not Rated
Turkey Cr Watershed Site 19-21 Cass County	34	1972	Low	Not Rated
Turkey Cr Watershed Site 19-19 Cass County	30	1974	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.