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 301–325 of 4,124

All High Hazard Significant Hazard Low Hazard Poor Fair Satisfactory

Dam Name	Height (ft)	Year	Hazard	Condition
Waubonsie Cr. Watershed Site 3-7 Mills County	47	1989	Significant	Satisfactory
Waubonsie Cr. Watershed Site 36-3 Mills County	47	1983	Low	Not Rated
Waubonsie Cr. Watershed Site 36-2 Mills County	53	1983	Low	Not Rated
Waubonsie Cr. Watershed Site 36-1 Mills County	45	1983	Low	Not Rated
Waubonsie Cr. Watershed Site 3-6 Mills County	50	1989	Low	Not Rated
Waubonsie Cr. Watershed Site 3-5 Mills County	51	1989	Low	Not Rated
Waubonsie Cr. Watershed Site 3-3 Mills County	49	1993	Significant	Satisfactory
Waubonsie Cr. Watershed Site 3-2 Mills County	51	1993	Low	Not Rated
Waubonsie Cr. Watershed Site 3-1-3 Fremont County	42	1984	Low	Not Rated
Waubonsie Cr. Watershed Site 3-1-2 Fremont County	47	1984	Low	Not Rated
Waubonsie Cr. Watershed Site 31-1 Mills County	50	1983	Low	Not Rated
Waubonsie Cr. Watershed Site 3-11 Mills County	66	1989	Low	Not Rated
Waubonsie Cr. Watershed Site 3-1-1 Fremont County	44	1984	Low	Not Rated
Waubonsie Cr. Watershed Site 3-1 Fremont County	46	1985	Low	Not Rated
Waubonsie Cr. Watershed Site 3 Mills County	43	1994	Significant	Satisfactory
Waubonsie Cr. Watershed Site 23-3 Mills County	53	1987	Significant	Satisfactory
Waubonsie Cr. Watershed Site 23-2 Mills County	54	1979	Low	Not Rated
Waubonsie Cr. Watershed Site 23-1 Mills County	45	1979	Low	Not Rated
Waubonsie Cr. Watershed Site 11-1 Mills County	71	1977	Significant	Satisfactory
Waubonsie Creek Watershed Sites M-5 Mills County	30	1999	Low	Not Rated
Waubonsie Creek Watershed Site M-4 Mills County	32	1998	Low	Not Rated
Waubonsie Creek Watershed Site M-3 Mills County	34	1999	Low	Not Rated
Waterman-Spring Subwtrshd Sta 29+02 #1 Cherokee County	33	1961	Low	Not Rated
Waterman-Spring Subwtrshd Sta 133+55 #2 Cherokee County	24	1961	Low	Not Rated
Waterman-Spring Subwtrshd Site 1 O'Brien County	29	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.