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 151175 of 180

Dam NameHeight (ft)YearHazardCondition
Chippewa Reservoir

Sawyer County

451923HighSatisfactory
Chilton

Calumet County

131850HighSatisfactory
Chetek

Barron County

161865HighFair
Chequamegon Waters

Taylor County

221967HighSatisfactory
Charles Roberts

Vernon County

321970HighFair
Cedars Lock and Dam

Outagamie County

151934HighNot Available
Cedar Falls

Dunn County

631910HighFair
Castle Rock

Adams County

381950HighSatisfactory
Cambria

Columbia County

281849HighSatisfactory
Caldron Falls

Marinette County

811924HighSatisfactory
Brownlee

Buffalo County

341859HighFair
Brock-Clint

Marathon County

231967HighNot Rated
Brillion Ryan Street

Calumet County

151997HighFair
Brillion Hacker Road

Calumet County

191997HighFair
Briggsville

Marquette County

141850HighSatisfactory
Brickbauer

Sheboygan County

111865HighFair
Blue Spring Lake

Jefferson County

151928HighFair
Blott

Waukesha County

121837HighFair
Bloomer Mill

Chippewa County

171856HighSatisfactory
Biron

Wood County

241937HighSatisfactory
Big Quinnesec Falls Dike "B"

Marinette County

131949HighSatisfactory
Big Falls

Rusk County

501923HighFair
Beaver Creek

Jackson County

401970HighFair
Barton

Washington County

141846HighSatisfactory
Bad Axe 11

Vernon County

261978HighSatisfactory
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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.