Tallest Dams in Wisconsin
Wisconsin has 961 dams with recorded heights. The tallest is Superior Falls at 138 feet. Taller dams impound more water and carry greater potential energy, which is why height is a key factor in hazard classification and inspection requirements.
| # | Dam | County | Height (ft) | Type | Purpose | Hazard | Year |
|---|---|---|---|---|---|---|---|
| 1 | Superior Falls | Iron | 138 | Gravity | Hydroelectric | Low | 1935 |
| 2 | Eau Galle Dam | Pierce | 127 | Rockfill | Flood Risk Reduction | High | 1968 |
| 3 | Hatfield | Jackson | 92 | Gravity | Hydroelectric | High | 1908 |
| 4 | Flambeau | Rusk | 92 | Gravity | Hydroelectric | High | 1951 |
| 5 | Plum Creek 2 | Pierce | 88 | Earth | Flood Risk Reduction | High | 1973 |
| 6 | High Falls | Marinette | 83 | Gravity | Hydroelectric | High | 1910 |
| 7 | Caldron Falls | Marinette | 81 | Gravity | Hydroelectric | High | 1924 |
| 8 | Wissota North Saddle Dike | Chippewa | 79 | Earth | Hydroelectric | High | 1917 |
| 9 | Bad Axe 12 | Vernon | 73 | Earth | Flood Risk Reduction | Low | 1974 |
| 10 | Little Quinnesec Falls | Marinette | 67 | Gravity | Hydroelectric | High | 1900 |
| 11 | Saint Croix Falls | Polk | 64 | Arch | Hydroelectric | High | 1905 |
| 12 | Glen Hills 10 | St. Croix | 64 | Earth | Flood Risk Reduction | High | 1970 |
| 13 | Cedar Falls | Dunn | 63 | Buttress | Hydroelectric | High | 1910 |
| 14 | West Fork Kickapoo 1 | Vernon | 63 | Earth | Flood Risk Reduction | High | 1969 |
| 15 | Kilbourn | Columbia | 61 | Gravity | Hydroelectric | High | 1909 |
| 16 | Dutch Hollow Lake | Sauk | 60 | Earth | Recreation | Low | 1971 |
| 17 | Cornell | Chippewa | 58 | Gravity | Hydroelectric | Significant | 1913 |
| 18 | Otter Creek 12 | Iowa | 58 | Earth | Flood Risk Reduction | Low | 1972 |
| 19 | Tri Creek Number One | Monroe | 57 | Earth | Flood Risk Reduction | High | 1976 |
| 20 | Jim Falls | Chippewa | 55 | Gravity | Hydroelectric | High | 1923 |
| 21 | Cox Hollow Number Two | Iowa | 55 | Earth | Recreation | High | 1965 |
| 22 | Dells | Eau Claire | 51 | Gravity | Hydroelectric | Low | 1907 |
| 23 | West Fork Kickapoo 17 | Vernon | 51 | Earth | Flood Risk Reduction | Low | 1969 |
| 24 | Blackhawk Lake | Iowa | 50 | Earth | Recreation | Low | 1969 |
| 25 | Petenwell | Juneau | 50 | Gravity | Hydroelectric | High | 1949 |
| 26 | Big Falls | Rusk | 50 | Gravity | Hydroelectric | High | 1923 |
| 27 | Lake Redstone | Sauk | 50 | Gravity | Recreation | High | 1967 |
| 28 | Prairie Du Sac | Sauk | 50 | Gravity | Hydroelectric | High | 1914 |
| 29 | Bad Axe 33 | Vernon | 50 | Earth | Flood Risk Reduction | Low | 1965 |
| 30 | Doyle | Juneau | 48 | Earth | Recreation | Low | 1970 |
| 31 | West Fork Kickapoo 5 | Vernon | 48 | Earth | Flood Risk Reduction | Low | 1968 |
| 32 | North Pork Manure Pit | Richland | 47 | Earth | Significant | ||
| 33 | Apple River | St. Croix | 47 | Masonry | Hydroelectric | High | 1954 |
| 34 | Mississippi River Lock And Dam 9 | Allamakee | 46 | Concrete | Navigation | Significant | 1937 |
| 35 | Clam River | Burnett | 46 | Gravity | Hydroelectric | Low | 1944 |
| 36 | Coon Creek 33 | La Crosse | 46 | Earth | Flood Risk Reduction | High | 1960 |
| 37 | Coon Creek 21 | Monroe | 46 | Earth | Flood Risk Reduction | Low | 1963 |
| 38 | Plum Creek 3 | Pierce | 46 | Earth | Flood Risk Reduction | Low | 1974 |
| 39 | West Fork Kickapoo 4 | Vernon | 46 | Earth | Flood Risk Reduction | Low | 1966 |
| 40 | Blackhawk-kickapoo Project | Crawford | 45 | Earth | Flood Risk Reduction | Significant | 1974 |
| 41 | Eau Pleine | Marathon | 45 | Gravity | Hydroelectric | High | 1937 |
| 42 | Plain Honey Creek 3 | Sauk | 45 | Earth | Flood Risk Reduction | Low | 1970 |
| 43 | Chippewa Reservoir | Sawyer | 45 | Earth | Hydroelectric | High | 1923 |
| 44 | Coon Creek 17 | Vernon | 45 | Earth | Flood Risk Reduction | High | 1962 |
| 45 | Altoona | Eau Claire | 44 | Buttress | Recreation | High | 1938 |
| 46 | Bogus Creek 1 | Pepin | 44 | Earth | Flood Risk Reduction | Low | 1963 |
| 47 | Coon Creek 15 | Vernon | 44 | Earth | Flood Risk Reduction | Low | 1962 |
| 48 | Bad Axe 16 | Vernon | 44 | Earth | Flood Risk Reduction | Low | 1965 |
| 49 | West Fork Kickapoo 16 | Vernon | 44 | Earth | Flood Risk Reduction | Low | 1971 |
| 50 | Windward Farms | Crawford | 43 | Earth | Fire Protection, Stock, Or Small Fish Pond | Low | 1973 |