Wisconsin Dams

968 dams tracked by the National Inventory of Dams

Total Dams

968

High Hazard

180

18.6%

Poor / Unsatisfactory

63

Average Age

89 yrs

Hazard Classification

High180 (18.6%)
Significant84 (8.7%)
Low704 (72.7%)

Condition Assessment

Satisfactory239 (24.7%)
Fair509 (52.6%)
Poor / Unsatisfactory63 (6.5%)
Not Rated157 (16.2%)

Federal

65

State

127

Local

407

Private

280

Tallest Dams

High Hazard Dams

Poor Condition Dams

All Dams in Wisconsin

Showing 501509 of 509

Dam NameHeight (ft)YearHazardCondition
Amery

Polk County

131888HighFair
Alpine Lake

Waushara County

251970LowFair
Alma Mill 6

Buffalo County

281963LowFair
Alma Mill 5

Buffalo County

331963LowFair
Alma Mill 2

Buffalo County

351963LowFair
Alma Mill 1

Buffalo County

341963LowFair
Alderly Mill

Dodge County

91962LowFair
Albany

Green County

131845LowFair
Alan Wilcox

Waushara County

151963LowFair
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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.