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 3551–3575 of 3,759

All High Hazard Significant Hazard Low Hazard Poor Fair Satisfactory

Dam Name	Height (ft)	Year	Hazard	Condition
West Douglas Watershed Site L-7 Adams County	42	1968	Low	Not Rated
West Fk Big Cr Watershed Site W-14 Ringgold County	26	2005	Low	Not Rated
West Fk Big Cr Watershed Site W-2 Ringgold County	23	2005	Low	Not Rated
West Fk Big Cr Watershed Site W-31 Ringgold County	26	2005	Low	Not Rated
West Fk Big Cr Watshd Site S-7 Decatur County	21	1996	Low	Not Rated
West Fork #3 Subwtrshd Site 6-2107 Woodbury County	25	1962	Low	Not Rated
West Fork #3 Subwtrshd Sta 25+20 #9a Woodbury County	36	1961	Low	Not Rated
West Fork #3 Subwtrshd Sta 37+14 #9 Woodbury County	55	1961	Low	Not Rated
West Fork #3 Subwtrshd Sta 38+15 #6 Woodbury County	27	1961	Low	Not Rated
West Fork #3 Subwtrshd Sta 52+20 #9 Woodbury County	35	1961	Low	Not Rated
West Fork #3 Subwtrshd Sta 8+15 #6 Woodbury County	45	1961	Low	Not Rated
West Fork Big Creek Watershed Site B-1 Ringgold County	24	2001	Low	Not Rated
West Fork Big Creek Watershed Site B-16 Ringgold County	19	2001	Low	Not Rated
West Fork Big Creek Watershed Site B-17 Ringgold County	21	2001	Low	Not Rated
West Fork Big Creek Watershed Site B-18 Ringgold County	22	2002	Low	Not Rated
West Fork Big Creek Watershed Site B-23 Ringgold County	24	2001	Low	Not Rated
West Fork Big Creek Watershed Site B-27 Ringgold County	22	2001	Low	Not Rated
West Fork Big Creek Watershed Site B-28 Ringgold County	24	2001	Low	Not Rated
West Fork Big Creek Watershed Site B-4 Ringgold County	22	2002	Low	Not Rated
West Fork Big Creek Watershed Site B-42 Decatur County	25	1996	Low	Not Rated
West Fork Big Creek Watershed Site B-44 Ringgold County	27	1992	Low	Not Rated
West Fork Big Creek Watershed Site B-45 Ringgold County	22	1992	Low	Not Rated
West Fork Big Creek Watershed Site B-46 Ringgold County	26	1992	Low	Not Rated
West Fork Big Creek Watershed Site B-47 Ringgold County	26	1992	Low	Not Rated
West Fork Big Creek Watershed Site B-49 Ringgold County	25	1992	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.