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 451–475 of 968
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Land Barons INC. Lafayette County | 19 | 1971 | Low | Not Available |
| Lang Marquette County | 11 | 1973 | Low | Not Rated |
| Langlade Co. Forest Flowage 1 | 8 | — | Low | Poor |
| Langlade County Flowage Langlade County | 9 | 1974 | Low | Fair |
| Lauderdale Lakes Walworth County | 14 | 1840 | High | Fair |
| Lawrence Lake Marquette County | 35 | 1845 | Low | Fair |
| Legend Lake Number One Menominee County | 21 | 1968 | High | Satisfactory |
| Legend Lake Number Three Menominee County | 22 | 1971 | High | Satisfactory |
| Leigh Lake Oconto County | 21 | 1935 | Significant | Satisfactory |
| Leland Sauk County | 14 | 1870 | Low | Fair |
| Lewis Jackson County | 14 | 1967 | Low | Fair |
| Lewis Polk County | 16 | 1931 | Low | Fair |
| Lighting Plant Waupaca County | 25 | 1927 | Low | Satisfactory |
| Lily Lake Forest County | 7 | 1976 | Low | Poor |
| Lindow Florence County | 22 | 1972 | Low | Satisfactory |
| Liske #2 Taylor County | 23 | 1978 | Low | Fair |
| Little Bear Creek Barron County | 10 | 1964 | Low | Fair |
| Little Chute Locks and Dam Outagamie County | 20 | 1932 | Significant | Not Available |
| Little Falls St. Croix County | 30 | 1895 | High | Fair |
| Little Green Lake Outlet Green Lake County | 11 | 1934 | Low | Satisfactory |
| Little Kaukauna Lock and Dam Brown County | 16 | 1926 | Significant | Not Available |
| Little Muskego Waukesha County | 12 | 1972 | High | Satisfactory |
| Little Quinnesec Falls Marinette County | 67 | 1900 | High | Satisfactory |
| Little Rice Lake Forest County | 8 | 1936 | Low | Satisfactory |
| Little Rice River Oneida County | 15 | 1961 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.