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 176–200 of 3,759

All High Hazard Significant Hazard Low Hazard Poor Fair Satisfactory

Dam Name	Height (ft)	Year	Hazard	Condition
West Fork Big Creek Watershed Site S-8 Decatur County	20	1995	Low	Not Rated
West Fork Big Creek Watershed Site S-48 Decatur County	20	1995	Low	Not Rated
West Fork Big Creek Watershed Site S-16 Decatur County	18	1996	Low	Not Rated
West Fork Big Creek Watershed Site S-13 Decatur County	22	1996	Low	Not Rated
West Fork Big Creek Watershed Site S-12 Decatur County	23	1995	Low	Not Rated
West Fork Big Creek Watershed Site S-10 Decatur County	22	1996	Low	Not Rated
West Fork Big Creek Watershed Site B-8 Ringgold County	22	2002	Low	Not Rated
West Fork Big Creek Watershed Site B-53 Ringgold County	26	1996	Low	Not Rated
West Fork Big Creek Watershed Site B-51 Ringgold County	24	1992	Low	Not Rated
West Fork Big Creek Watershed Site B-49 Ringgold County	25	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-46 Ringgold County	26	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-44 Ringgold County	27	1992	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-4 Ringgold County	22	2002	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-27 Ringgold County	22	2001	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-18 Ringgold County	22	2002	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-16 Ringgold County	19	2001	Low	Not Rated
West Fork Big Creek Watershed Site B-1 Ringgold County	24	2001	Low	Not Rated
West Fork #3 Subwtrshd Sta 8+15 #6 Woodbury County	45	1961	Low	Not Rated
West Fork #3 Subwtrshd Sta 52+20 #9 Woodbury County	35	1961	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.