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 551575 of 704

Dam NameHeight (ft)YearHazardCondition
Doering

Lincoln County

181964LowFair
Dexterville

Wood County

271964LowFair
Detzman

Sauk County

251975LowNot Available
Delton

Sauk County

191931LowFair
Dells Manor

Sauk County

241929LowFair
Dells Lake

Eau Claire County

271866LowPoor
Dells

Eau Claire County

511907LowFair
Dell Creek

Sauk County

301927LowSatisfactory
Delavan

Walworth County

131947LowFair
Delafield Fish Hatchery

Waukesha County

101936LowFair
Deer Creek Dam

Forest County

121989LowNot Rated
Deer Creek

Sawyer County

141960LowFair
Day

Ashland County

121936LowFair
Davis Wildlife

Washburn County

101951LowNot Rated
Dates Mill

Columbia County

121958LowFair
Dassow Milling Company

Sheboygan County

131846LowFair
Danville

Dodge County

171850LowFair
Dandy Creek 6

Monroe County

101935LowNot Rated
Dandy Creek 11

Monroe County

101935LowFair
Danbury

Burnett County

351928LowSatisfactory
Dahl-Merkley

Burnett County

151974LowFair
Cusick No.2

Juneau County

291972LowFair
Cusick No.1

Juneau County

311970LowFair
Curtis

Columbia County

101964LowNot Rated
Cruson Slough

Richland County

7LowPoor
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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.