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 351–375 of 704
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Long Lake Flowage Wla Sauk County | 10 | 1972 | Low | Fair |
| Lloyd Keller Marathon County | 10 | 1966 | Low | Not Rated |
| Little Yellow 9 Juneau County | 9 | 1963 | Low | Not Rated |
| Little Yellow 30 Juneau County | 8 | 1935 | Low | Not Rated |
| Little Yellow 27 Juneau County | 9 | 1935 | Low | Not Rated |
| Little Yellow 25 Juneau County | 9 | 1935 | Low | Not Rated |
| Little Yellow 20 Juneau County | 8 | 1936 | Low | Not Rated |
| Little Yellow 19 Juneau County | 9 | 1935 | Low | Not Rated |
| Little Yellow 18 Juneau County | 8 | 1936 | Low | Not Rated |
| Little Yellow 13 Juneau County | 8 | 1975 | Low | Not Rated |
| Little Yellow 12 Juneau County | 8 | 1935 | Low | Not Rated |
| Little Yellow 11 Juneau County | 15 | 1975 | Low | Not Rated |
| Little Yellow 10 Juneau County | 7 | 1936 | Low | Not Rated |
| Little Turtle Sub-Impoundment | 7 | — | Low | Fair |
| Little Turtle River Iron County | 11 | 1972 | Low | Fair |
| Little Thornapple River Rusk County | 13 | 1950 | Low | Fair |
| Little Tamarack Flowage Vilas County | 10 | — | Low | Satisfactory |
| Little St Germain Vilas County | 9 | 1908 | Low | Satisfactory |
| Little Sand Lake 1 Barron County | 10 | 1940 | Low | Fair |
| Little Rice River Oneida County | 15 | 1961 | Low | Satisfactory |
| Little Rice Lake Forest County | 8 | 1936 | Low | Satisfactory |
| Little Green Lake Outlet Green Lake County | 11 | 1934 | Low | Satisfactory |
| Little Bear Creek Barron County | 10 | 1964 | Low | Fair |
| Liske #2 Taylor County | 23 | 1978 | Low | Fair |
| Lindow Florence County | 22 | 1972 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.