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 |
|---|---|---|---|---|
| New Lisbon Juneau County | 18 | 1938 | Low | Fair |
| New Auburn Wildlife Area Barron County | 7 | 1978 | Low | Not Rated |
| Neshonoc La Crosse County | 18 | 1914 | Low | Satisfactory |
| Neshkoro Marquette County | 19 | 1852 | Low | Poor |
| Neosho Dodge County | 12 | 1840 | Low | Fair |
| Nekoosa Wood County | 32 | 1889 | Low | Satisfactory |
| Necedah Wildlife Refuge 33 Juneau County | 7 | 1963 | Low | Not Rated |
| Necedah Wildlife Refuge 33 Juneau County | 7 | 1963 | Low | Not Rated |
| Necedah Wildlife Refuge 30 Juneau County | 15 | 1975 | Low | Fair |
| Necedah Juneau County | 20 | 1850 | Low | Satisfactory |
| Navarino Marsh - 80 Ac Flowag Shawano County | 7 | — | Low | Fair |
| Navarino Marsh 3 Shawano County | 9 | 1971 | Low | Fair |
| Navarino Marsh 2 Shawano County | 9 | 1971 | Low | Satisfactory |
| Navarino Marsh 1 Shawano County | 7 | 1971 | Low | Fair |
| Navarino 15 Ac Flowage Shawano County | 7 | 1995 | Low | Satisfactory |
| Musser Price County | 21 | 1936 | Low | Satisfactory |
| Murrays Bayfield County | 13 | 1941 | Low | Fair |
| Murphy Rusk County | 22 | 1994 | Low | Fair |
| Mullet Creek Fond du Lac County | 9 | 1971 | Low | Unsatisfactory |
| Mukwonago Waukesha County | 10 | 1848 | Low | Satisfactory |
| Mud Creek Florence County | 11 | 1965 | Low | Poor |
| Mravik Taylor County | 11 | 1967 | Low | Fair |
| Moyle Price County | 10 | 1954 | Low | Fair |
| Mount Morris Waushara County | 20 | 1938 | Low | Not Rated |
| Mott Richland County | 29 | 1971 | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.