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 125 of 239

Dam NameHeight (ft)YearHazardCondition
Alexander

Lincoln County

401913HighSatisfactory
Alma Mill 3

Buffalo County

341963LowSatisfactory
Alma Mill 4

Buffalo County

321963LowSatisfactory
Altoona

Eau Claire County

441938HighSatisfactory
Angelo Dam

Monroe County

201920LowSatisfactory
Apple Creek Dam #2

Outagamie County

11LowSatisfactory
Apple River

St. Croix County

471954HighSatisfactory
Arpin

Sawyer County

341913LowSatisfactory
Bad Axe 11

Vernon County

261978HighSatisfactory
Bad Axe 12

Vernon County

731974LowSatisfactory
Bad Axe 16

Vernon County

441965LowSatisfactory
Bad Axe 17

Vernon County

421965LowSatisfactory
Bad Axe 2

Vernon County

311964LowSatisfactory
Bad Axe 24

Vernon County

401963LowSatisfactory
Barton

Washington County

141846HighSatisfactory
Belleville

Dane County

151860LowSatisfactory
Beloit

Rock County

151928LowSatisfactory
Big Falls Milldam

Waupaca County

301926LowSatisfactory
Big Quinnesec Falls Dike "B"

Marinette County

131949HighSatisfactory
Big St Germain

Vilas County

71923LowSatisfactory
Biron

Wood County

241937HighSatisfactory
Black Brook

Polk County

321917LowSatisfactory
Blackhawk-Kickapoo Project

Crawford County

451974SignificantSatisfactory
Black River Falls

Jackson County

181912LowSatisfactory
Blake Lake

Polk County

92018LowSatisfactory
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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.