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 176–200 of 509
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Hay Creek Iron County | 8 | 1960 | Low | Fair |
| Hayton Calumet County | 14 | 1908 | Low | Fair |
| Hayward Sawyer County | 20 | 1925 | Low | Fair |
| Hemlock Sauk County | 11 | 1964 | Low | Fair |
| Herbeck Vernon County | 30 | 1967 | High | Fair |
| Hickory Lake Racine County | 20 | — | Significant | Fair |
| Hidden Lakes Waukesha County | 20 | 1967 | Low | Fair |
| Hidden Valley Lake Lafayette County | 35 | 1975 | Low | Fair |
| High Hopes Taylor County | 20 | 1973 | Low | Fair |
| Hingham Sheboygan County | 11 | 1846 | Low | Fair |
| Hoikka, John G. Pierce County | 28 | 1973 | Low | Fair |
| Holzer Flowage Taylor County | 8 | 1962 | Low | Fair |
| Horlicks Racine County | 19 | 1975 | Low | Fair |
| House Sawyer County | 13 | — | Low | Fair |
| Hoyle and Johnson Marinette County | 11 | 1974 | Low | Fair |
| Huebner Zippmore Estate, LLC Taylor County | 15 | — | Low | Fair |
| Huffman Brothers Richland County | 29 | 1973 | Low | Fair |
| Humbird Clark County | 19 | 1871 | Low | Fair |
| Hutchinson Lafayette County | 23 | 1964 | Low | Fair |
| Independence Trempealeau County | 23 | 1877 | High | Fair |
| Indianford Rock County | 13 | 1932 | Low | Fair |
| Ingram Mill Columbia County | 11 | 1869 | Low | Fair |
| Iola Waupaca County | 12 | 1865 | Significant | Fair |
| Island Lake Rusk County | 11 | 1875 | Low | Fair |
| Jefferson Marsh Wrp - North Jefferson County | 8 | 2004 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.