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 76–100 of 704
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Turtle Lake Vilas County | 8 | 1948 | Low | Fair |
| Trump Lake Jackson County | 33 | 1969 | Low | Poor |
| Trows Jackson County | 26 | 1942 | Low | Fair |
| Trout Lake Juneau County | 16 | 1928 | Low | Poor |
| Town Corners Wildlife Flowage Price County | 10 | 1966 | Low | Fair |
| Totagatic Wildlife Washburn County | 9 | 1952 | Low | Fair |
| Totagatic Sawyer County | 20 | 1936 | Low | Not Rated |
| Tobola Clark County | 23 | 1967 | Low | Fair |
| Tilden Chippewa County | 16 | 1886 | Low | Not Rated |
| Tiffany Lake Taylor County | 16 | — | Low | Fair |
| Thornapple Rusk County | 14 | 1909 | Low | Satisfactory |
| Thiensville Ozaukee County | 13 | 1842 | Low | Fair |
| Theresa Marsh Dodge County | 10 | 1968 | Low | Fair |
| Ten Creek Marinette County | 11 | 1961 | Low | Not Rated |
| Taylor Lake Washburn County | 8 | 1964 | Low | Not Rated |
| Taylor Barron County | 20 | 1935 | Low | Satisfactory |
| Tainter Rusk County | 26 | 1967 | Low | Fair |
| Taff Columbia County | 10 | 1954 | Low | Fair |
| Swelstad, Jack Marinette County | 21 | — | Low | Fair |
| Sweeny Pond Creek Barron County | 7 | 1964 | Low | Fair |
| Swamp Pond Monroe County | 14 | 1944 | Low | Not Available |
| Svetlik Milling Company Chippewa County | 14 | 1907 | Low | Fair |
| Superior Falls Iron County | 28 | 1917 | Low | Satisfactory |
| Superior Falls Iron County | 138 | 1935 | Low | Not Rated |
| Sugar Camp Oneida County | 10 | 1908 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.