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 3476–3500 of 4,124

All High Hazard Significant Hazard Low Hazard Poor Fair Satisfactory

Dam Name	Height (ft)	Year	Hazard	Condition
Troublesome Cr Watershed Site 45 Audubon County	27	1985	Low	Not Rated
Troublesome Cr Watershed Site 46 Audubon County	27	1985	Low	Not Rated
Troublesome Cr Watershed Site 47-3 Audubon County	34	1978	Low	Not Rated
Troublesome Cr Watershed Site 47-4 Audubon County	20	1981	Low	Not Rated
Troublesome Cr Watershed Site 47-5 Audubon County	17	1994	Low	Not Rated
Troublesome Cr Watershed Site 48-3 Audubon County	30	1982	Low	Not Rated
Troublesome Cr Watershed Site 48-5 Audubon County	33	1982	Low	Not Rated
Troublesome Cr Watershed Site 49-1 Audubon County	32	1979	Low	Not Rated
Troublesome Cr Watershed Site 49-3 Audubon County	28	1979	Low	Not Rated
Troublesome Cr Watershed Site 49-5 Audubon County	26	1982	Low	Not Rated
Troublesome Cr Watershed Site 50-1 Audubon County	29	1979	Low	Not Rated
Troublesome Cr Watershed Site 50-2 Audubon County	30	1979	Low	Not Rated
Troublesome Cr Watershed Site 50-4 Audubon County	28	1979	Low	Not Rated
Troublesome Cr Watershed Site 53-6 Audubon County	26	1984	Low	Not Rated
Troublesome Cr Watershed Site 53-7 Audubon County	32	1979	Low	Not Rated
Troublesome Cr Watershed Site 60-1 Guthrie County	27	1984	Low	Not Rated
Troublesome Cr Watershed Site 80-1 Audubon County	28	1978	Low	Not Rated
Troublesome Cr Watershed Site 80-2 Audubon County	43	1975	Low	Not Rated
Troublesome Cr Watershed Site 81-1 Audubon County	33	1984	Low	Not Rated
Troublesome Cr Watershed Site 81-3 Audubon County	28	1984	Low	Not Rated
Troublesome Cr Watershed Site 81-4 Audubon County	35	1975	Low	Not Rated
Troublesome Cr Watershed Site 81-6 Audubon County	30	1984	Low	Not Rated
Troublesome Cr Watershed Site 83-1 Audubon County	22	1984	Low	Not Rated
Troublesome Cr Watershed Site 83-2 Audubon County	28	1976	Low	Not Rated
Troublesome Cr Watershed Site 84-1 Audubon County	32	1976	Significant	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.