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 301–325 of 704
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Metz No.1 Lafayette County | 26 | 1974 | Low | Fair |
| Merrill Lincoln County | 23 | 1913 | Low | Satisfactory |
| Merillan Mills Jackson County | 23 | 1907 | Low | Fair |
| Medford Taylor County | 12 | 1875 | Low | Fair |
| Mech Clark County | 19 | 1971 | Low | Fair |
| Meadow Valley Spillway 7 Juneau County | 8 | 1938 | Low | Not Rated |
| Meadow Valley Spillway 6 Juneau County | 8 | 1938 | Low | Not Rated |
| Meadow Valley Spillway 5 Juneau County | 8 | 1938 | Low | Not Rated |
| Meadow Valley Spillway 4 Juneau County | 8 | 1938 | Low | Not Rated |
| Meadow Valley Spillway 3 Juneau County | 9 | 1938 | Low | Not Rated |
| Meadow Valley Flowage Juneau County | 9 | 1938 | Low | Not Rated |
| Meadow Valley Flowage Juneau County | 9 | 1938 | Low | Not Rated |
| Mead Clark County | 28 | 1951 | Low | Fair |
| Mcnett Lafayette County | 40 | 1971 | Low | Fair |
| Mcmillan Marsh Marathon County | 11 | 1971 | Low | Satisfactory |
| Mcginnis Lake Adams County | 15 | 1966 | Low | Fair |
| Mccoy Iowa County | 19 | 1974 | Low | Fair |
| May Coulee Jackson County | 22 | 1976 | Low | Satisfactory |
| Mauston Juneau County | 14 | 1919 | Low | Satisfactory |
| Mathey,Eugene Taylor County | 13 | 1966 | Low | Fair |
| Mason Marcks Forsythe 2 Pepin County | 26 | 1978 | Low | Not Rated |
| Mason Marcks Forsythe 1 Pepin County | 25 | 1978 | Low | Not Rated |
| Marsh Lake Marinette County | 14 | 1970 | Low | Fair |
| Marschke Price County | 10 | — | Low | Fair |
| Marking Sauk County | 23 | 1974 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.