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 551–575 of 3,759

All High Hazard Significant Hazard Low Hazard Poor Fair Satisfactory

Dam Name	Height (ft)	Year	Hazard	Condition
Turkey Cr Watershed Site 19-15 Cass County	26	1972	Low	Not Rated
Turkey Cr Watershed Site 13 Cass County	32	1971	Low	Not Rated
Turkey Cr Watershed Site 10-8 Cass County	28	1972	Low	Not Rated
Turkey Cr Watershed Site 10-7 Cass County	34	1984	Low	Not Rated
Turkey Cr Watershed Site 10-5a Cass County	28	1972	Low	Not Rated
Turkey Cr Watershed Site 10-58 Cass County	30	1972	Low	Not Rated
Turkey Cr Watershed Site 10-3 Cass County	28	1972	Low	Not Rated
Turkey Cr Watershed Site 10-25 Cass County	26	1990	Low	Not Rated
Turkey Cr Watershed Site 10-24 Cass County	31	1974	Low	Not Rated
Turkey Cr Watershed Site 10-2 Cass County	32	1971	Low	Not Rated
Turkey Cr Watershed Site 10-11 Cass County	23	1984	Low	Not Rated
Turkey Creek Watershed Site 62-7a Cass County	25	2002	Low	Not Rated
Turkey Creek Watershed Site 62-7 Cass County	32	2002	Low	Not Rated
Turkey Creek Watershed Site 58d Cass County	30	2004	Low	Not Rated
Turkey Creek Watershed Site 53-5 Cass County	29	2005	Low	Not Rated
Turkey Creek Watershed Site 39-9 Cass County	23	2004	Low	Not Rated
Turkey Creek Watershed Site 19-29 Cass County	26	2004	Low	Not Rated
Turkey Creek Watershed Site 1-1 Cass County	28	2006	Low	Not Rated
Turkey Creek Watershed Site 10-26 Cass County	31	2005	Low	Not Rated
Turkey Creek Watershed Site 10-18 Cass County	33	2006	Low	Not Rated
Tug Creek Roadgrade - West Dam Van Buren County	30	1990	Low	Not Rated
Tug Creek Roadgrade - East Dam Van Buren County	30	1990	Low	Not Rated
Tucker/Rath/Sewell Dam Crawford County	27	1965	Low	Not Rated
Trumbull Lake Clay County	12	—	Low	Not Rated
Troy Mills Dam Linn County	7	1989	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.