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
- Superior Falls138 ft
- Eau Galle Dam127 ft
- Flambeau 92 ft
- Hatfield 92 ft
- Plum Creek 288 ft
High Hazard Dams
- Eau Galle DamHigh
- Flambeau High
- Hatfield High
- Plum Creek 2High
- High Falls High
Poor Condition Dams
- West Fork Kickapoo 1Unsatisfactory
- DoyleUnsatisfactory
- Coon Creek 21Unsatisfactory
- Rock FallsPoor
- Garden Valley 10Unsatisfactory
All Dams in Wisconsin
Showing 651–675 of 704
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Blake Lake Polk County | 9 | 2018 | Low | Satisfactory |
| Blair Mill Trempealeau County | 13 | 1869 | Low | Fair |
| Black River Falls Jackson County | 18 | 1912 | Low | Satisfactory |
| Black Lake Dam and Bridge Sawyer County | 8 | 1937 | Low | Not Rated |
| Blackhawk Lake Iowa County | 50 | 1969 | Low | Fair |
| Black Creek Marathon County | 6 | 1968 | Low | Fair |
| Black Brook Polk County | 32 | 1917 | Low | Satisfactory |
| Black Brook Washburn County | 10 | 1964 | Low | Fair |
| Bischel Waukesha County | 12 | 1850 | Low | Fair |
| Big St Germain Vilas County | 7 | 1923 | Low | Satisfactory |
| Big Rock Creek Farm Polk County | 20 | — | Low | Fair |
| Big Moon Lake Barron County | 9 | 1968 | Low | Fair |
| Big Falls Milldam Waupaca County | 30 | 1926 | Low | Satisfactory |
| Bentley Sawmill Portage County | 14 | 1850 | Low | Fair |
| Beloit Rock County | 15 | 1928 | Low | Satisfactory |
| Belleville Dane County | 15 | 1860 | Low | Satisfactory |
| Beecher Lake Marinette County | 10 | 1974 | Low | Fair |
| Beaverdam Lake Dam Ashland County | 18 | 1944 | Low | Not Rated |
| Beaver Dam Lake Barron County | 6 | 1942 | Low | Fair |
| Beaver Creek 9 Juneau County | 9 | 1935 | Low | Fair |
| Beaver Creek 4 Juneau County | 9 | 1935 | Low | Poor |
| Beaver Creek 3 Juneau County | 11 | 1935 | Low | Unsatisfactory |
| Beaver Creek 2 Juneau County | 9 | 1934 | Low | Unsatisfactory |
| Beaver Brook (Joel Flowage) Polk County | 9 | 1931 | Low | Not Rated |
| Bear Lake Barron County | 22 | 1880 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.