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 251–275 of 704
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Howley Trempealeau County | 33 | 1974 | Low | Not Available |
| Hoyle and Johnson Marinette County | 11 | 1974 | Low | Fair |
| Hudson Bay Ashland County | 8 | 1969 | Low | Not Rated |
| Huebner Zippmore Estate, LLC Taylor County | 15 | — | Low | Fair |
| Huey Duck Lake Sauk County | 11 | 1974 | Low | Satisfactory |
| Huffman Brothers Richland County | 29 | 1973 | Low | Fair |
| Humbird Clark County | 19 | 1871 | Low | Fair |
| Huppert Pierce County | 27 | 1967 | Low | Not Rated |
| Hustisford Dodge County | 11 | 1845 | Low | Satisfactory |
| Hutchinson Lafayette County | 23 | 1964 | Low | Fair |
| Indianford Rock County | 13 | 1932 | Low | Fair |
| Ingram Mill Columbia County | 11 | 1869 | Low | Fair |
| Island Lake Rusk County | 11 | 1875 | Low | Fair |
| Jefferson Jefferson County | 11 | 1842 | Low | Satisfactory |
| Jefferson Marsh Wrp - North Jefferson County | 8 | 2004 | Low | Fair |
| Jefferson Marsh Wrp - South Jefferson County | 9 | 2004 | Low | Fair |
| Jensen Polk County | 16 | 1963 | Low | Not Rated |
| Joel Marsh Wla Polk County | 7 | — | Low | Fair |
| Johnson Trempealeau County | 26 | 1976 | Low | Not Available |
| Johnson Eau Claire County | 18 | 1978 | Low | Fair |
| Johnson Springs Bayfield County | 11 | 1969 | Low | Not Rated |
| Jones Spring Oconto County | 10 | 1967 | Low | Not Rated |
| Jonjak Sawyer County | 11 | 1967 | Low | Not Available |
| Jordan Portage County | 17 | 1850 | Low | Poor |
| Jordan #2 Richland County | 26 | 1965 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.