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 601–625 of 3,759

All High Hazard Significant Hazard Low Hazard Poor Fair Satisfactory

Dam Name	Height (ft)	Year	Hazard	Condition
Troublesome Cr Watershed Site 48-3 Audubon County	30	1982	Low	Not Rated
Troublesome Cr Watershed Site 47-5 Audubon County	17	1994	Low	Not Rated
Troublesome Cr Watershed Site 47-4 Audubon County	20	1981	Low	Not Rated
Troublesome Cr Watershed Site 47-3 Audubon County	34	1978	Low	Not Rated
Troublesome Cr Watershed Site 46 Audubon County	27	1985	Low	Not Rated
Troublesome Cr Watershed Site 45 Audubon County	27	1985	Low	Not Rated
Troublesome Cr Watershed Site 44-1 Audubon County	38	1978	Low	Not Rated
Troublesome Cr Watershed Site 42-2 Audubon County	38	1979	Low	Not Rated
Troublesome Cr Watershed Site 42-1 Audubon County	30	1979	Low	Not Rated
Troublesome Cr Watershed Site 41-2 Audubon County	31	1978	Low	Not Rated
Troublesome Cr Watershed Site 41-1 Audubon County	37	1979	Low	Not Rated
Troublesome Cr Watershed Site 39-3 Audubon County	31	1984	Low	Not Rated
Troublesome Cr Watershed Site 39-2 Audubon County	25	1992	Low	Not Rated
Troublesome Cr Watershed Site 38-8 Audubon County	33	1978	Low	Not Rated
Troublesome Cr Watershed Site 38-6 Audubon County	44	1984	Low	Not Rated
Troublesome Cr Watershed Site 38-2 Audubon County	39	1982	Low	Not Rated
Troublesome Cr Watershed Site 38-2 Audubon County	38	1978	Low	Not Rated
Troublesome Cr Watershed Site 38-1 Audubon County	26	1978	Low	Not Rated
Troublesome Cr Watershed Site 36-5 Audubon County	38	1985	Low	Not Rated
Troublesome Cr Watershed Site 34-1 Audubon County	28	1976	Low	Not Rated
Troublesome Cr Watershed Site 31-4 Audubon County	26	1995	Low	Not Rated
Troublesome Cr Watershed Site 31-2 Audubon County	23	1995	Low	Not Rated
Troublesome Cr Watershed Site 27-1 Cass County	29	1984	Low	Not Rated
Troublesome Cr Watershed Site 24-3 Cass County	37	1984	Low	Not Rated
Troublesome Cr Watershed Site 24-2 Cass County	33	1995	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.