Dams in Wisconsin

%!s(int=961)Total Dams

178High Hazard

84Significant

699Low Hazard

Dam Safety in Wisconsin

Wisconsin has 961 dams tracked in the National Inventory of Dams. Of these, 178 (18%) are classified as high hazard — meaning failure would probably cause loss of human life — and 84 are classified as significant hazard. Currently, 63 dams in the state have a condition assessment of poor or unsatisfactory, indicating recognized safety deficiencies.

The average dam in Wisconsin is 89 years old. Many of these aging structures were built before modern dam safety standards were established, which increases the importance of regular inspections and maintenance. The most common purpose for dams in Wisconsin is recreation, accounting for 469 of the state's dams.

Use the search above to find dams near any address in Wisconsin, or browse by county below. Each dam listing includes its hazard potential classification, condition assessment, physical characteristics, and inspection history from the NID.

Wisconsin Dam Facts

Total Dams	961
High Hazard Dams	178
Average Dam Age	89 years
Tallest Dam	138 ft
Largest Reservoir	2,430,000 acre-ft
Poor/Unsatisfactory Condition	63

Notable Dams in Wisconsin

Superior Falls138 ftLow Eau Galle Dam127 ftHigh Hatfield92 ftHigh Flambeau92 ftHigh Plum Creek 288 ftHigh

Counties in Wisconsin

Adams15 dams4 high hazard Allamakee1 dams Ashland10 dams2 high hazard Barron18 dams2 high hazard Bayfield9 dams2 high hazard Brown5 dams1 high hazard Buffalo9 dams1 high hazard Burnett23 dams1 high hazard Calumet4 dams3 high hazard Chippewa21 dams4 high hazard Clark17 dams1 high hazard Columbia15 dams4 high hazard Crawford3 dams Dane11 dams2 high hazard Dodge16 dams1 high hazard Door1 dams Douglas7 dams2 high hazard Dunn9 dams5 high hazard Eau Claire10 dams2 high hazard Florence7 dams1 high hazard Fond du Lac9 dams Forest11 dams Grant4 dams Green3 dams Green Lake4 dams2 high hazard Houston1 dams Iowa19 dams3 high hazard Iron12 dams1 high hazard Jackson23 dams3 high hazard Jefferson10 dams4 high hazard Juneau45 dams2 high hazard Kenosha5 dams2 high hazard Kewaunee1 dams La Crosse4 dams1 high hazard Lafayette9 dams1 high hazard Langlade11 dams1 high hazard Lincoln15 dams7 high hazard Manitowoc7 dams1 high hazard Marathon13 dams3 high hazard Marinette24 dams8 high hazard Marquette13 dams3 high hazard Menominee4 dams3 high hazard Milwaukee2 dams Monroe20 dams2 high hazard Oconto13 dams5 high hazard Oneida20 dams5 high hazard Outagamie13 dams3 high hazard Ozaukee6 dams1 high hazard Pepin10 dams Pierce18 dams2 high hazard Polk17 dams2 high hazard Portage12 dams4 high hazard Price35 dams3 high hazard Racine8 dams Richland21 dams4 high hazard Rock5 dams1 high hazard Rusk14 dams2 high hazard Sauk24 dams2 high hazard Sawyer23 dams4 high hazard Shawano14 dams2 high hazard Sheboygan9 dams2 high hazard St. Croix16 dams9 high hazard Taylor38 dams3 high hazard Trempealeau15 dams3 high hazard Vernon26 dams9 high hazard Vilas14 dams3 high hazard Wabasha1 dams Walworth19 dams5 high hazard Washburn15 dams3 high hazard Washington7 dams2 high hazard Waukesha24 dams5 high hazard Waupaca13 dams3 high hazard Waushara11 dams2 high hazard Winnebago3 dams2 high hazard Winona1 dams Wood16 dams2 high hazard

High Hazard Dams in Wisconsin

Dam	County	Height	Condition	Purpose
Eau Galle Dam	Pierce	127 ft	Not Available	Flood Risk Reduction
Hatfield	Jackson	92 ft	Fair	Hydroelectric
Flambeau	Rusk	92 ft	Satisfactory	Hydroelectric
Plum Creek 2	Pierce	88 ft	Satisfactory	Flood Risk Reduction
High Falls	Marinette	83 ft	Satisfactory	Hydroelectric
Caldron Falls	Marinette	81 ft	Satisfactory	Hydroelectric
Wissota North Saddle Dike	Chippewa	79 ft	Satisfactory	Hydroelectric
Little Quinnesec Falls	Marinette	67 ft	Satisfactory	Hydroelectric
Saint Croix Falls	Polk	64 ft	Fair	Hydroelectric
Glen Hills 10	St. Croix	64 ft	Satisfactory	Flood Risk Reduction
Cedar Falls	Dunn	63 ft	Fair	Hydroelectric
West Fork Kickapoo 1	Vernon	63 ft	Unsatisfactory	Flood Risk Reduction
Kilbourn	Columbia	61 ft	Satisfactory	Hydroelectric
Tri Creek Number One	Monroe	57 ft	Satisfactory	Flood Risk Reduction
Jim Falls	Chippewa	55 ft	Satisfactory	Hydroelectric
Cox Hollow Number Two	Iowa	55 ft	Fair	Recreation
Lake Redstone	Sauk	50 ft	Fair	Recreation
Big Falls	Rusk	50 ft	Fair	Hydroelectric
Petenwell	Juneau	50 ft	Satisfactory	Hydroelectric
Prairie Du Sac	Sauk	50 ft	Fair	Hydroelectric
Apple River	St. Croix	47 ft	Satisfactory	Hydroelectric
Coon Creek 33	La Crosse	46 ft	Satisfactory	Flood Risk Reduction
Coon Creek 17	Vernon	45 ft	Fair	Flood Risk Reduction
Chippewa Reservoir	Sawyer	45 ft	Satisfactory	Hydroelectric
Eau Pleine	Marathon	45 ft	Fair	Hydroelectric
Altoona	Eau Claire	44 ft	Satisfactory	Recreation
Rock Falls	Dunn	43 ft	Poor
Johnson Falls	Marinette	43 ft	Satisfactory	Hydroelectric
Sandstone Rapids	Marinette	42 ft	Satisfactory	Hydroelectric
Beaver Creek	Jackson	40 ft	Fair	Recreation
Alexander	Lincoln	40 ft	Satisfactory	Hydroelectric
Knights Creek 1	Dunn	40 ft	Satisfactory	Debris Control
Dubay	Portage	40 ft	Satisfactory	Hydroelectric
Eau Claire River	Eau Claire	40 ft	Satisfactory	Recreation
Coon Creek 41	Vernon	39 ft	Fair	Flood Risk Reduction
Grandmother	Lincoln	39 ft	Fair	Hydroelectric
Twin Parks 7	Iowa	38 ft	Fair	Recreation
Castle Rock	Adams	38 ft	Satisfactory	Hydroelectric
Glen Loch	Chippewa	37 ft		Water Supply
Menomonie	Dunn	37 ft	Fair	Hydroelectric
Oconto Falls Upper	Oconto	37 ft	Satisfactory	Hydroelectric
Mlsna	Vernon	35 ft	Unsatisfactory	Flood Risk Reduction
Willow	Oneida	35 ft	Satisfactory	Hydroelectric
Mt Horeb	Dane	34 ft	Satisfactory	Recreation
Brownlee	Buffalo	34 ft	Fair	Recreation
Knights Creek 5	Dunn	34 ft	Satisfactory	Debris Control
Jersey	Lincoln	34 ft	Satisfactory	Hydroelectric
Glen Hills 7	St. Croix	34 ft	Satisfactory	Flood Risk Reduction
Klinkner	Vernon	32 ft	Satisfactory	Flood Risk Reduction
Yellowstone	Lafayette	32 ft	Fair	Recreation
Charles Roberts	Vernon	32 ft	Fair	Fire Protection, Stock, Or Small Fish Pond
Glen Hills 4	St. Croix	32 ft	Satisfactory	Flood Risk Reduction
Grandfather Falls	Lincoln	32 ft	Satisfactory	Hydroelectric
Jordahl	Richland	30 ft	Fair	Fire Protection, Stock, Or Small Fish Pond
Little Falls	St. Croix	30 ft	Fair	Recreation
Twin Falls Auxiliary Dike	Florence	30 ft	Satisfactory	Hydroelectric
Herbeck	Vernon	30 ft	Fair	Fire Protection, Stock, Or Small Fish Pond
Gile	Iron	30 ft	Fair	Other
Hat Rapids	Oneida	30 ft	Satisfactory	Hydroelectric
Glen Hills 5	St. Croix	30 ft	Satisfactory	Flood Risk Reduction
Glen Hills 6	St. Croix	30 ft	Satisfactory	Flood Risk Reduction
Minong Flowage	Washburn	29 ft	Fair	Recreation
Stiles	Oconto	29 ft	Satisfactory	Hydroelectric
Kings	Lincoln	29 ft	Fair	Hydroelectric
Lake Camelot	Adams	29 ft	Fair	Recreation
Grand Rapids	Marinette	29 ft	Satisfactory	Hydroelectric
Walsh	Juneau	28 ft	Fair	Fire Protection, Stock, Or Small Fish Pond
Cambria	Columbia	28 ft	Satisfactory	Water Supply
Rothschild	Marathon	27 ft	Poor	Hydroelectric
Riverdale	St. Croix	27 ft	Fair	Hydroelectric
Felt Mill	Waupaca	26 ft	Fair	Hydroelectric
Meyer 6	Taylor	26 ft	Fair	Recreation
Spirit	Lincoln	26 ft	Satisfactory	Hydroelectric
South Wood County Park	Wood	26 ft	Fair	Recreation
Poplar River #1	Clark	26 ft	Fair	Recreation
Bad Axe 11	Vernon	26 ft	Satisfactory	Recreation
Rest Lake	Vilas	25 ft	Fair	Recreation
Warzyn	Iowa	25 ft	Fair	Recreation
Cottonville	Adams	25 ft	Fair	Recreation
Galesville Mill	Trempealeau	25 ft	Fair	Recreation
Meinhardt	Richland	25 ft	Satisfactory	Recreation
Springville	Portage	25 ft	Satisfactory	Recreation
Weed	Shawano	25 ft	Fair	Hydroelectric
Hillsboro	Vernon	25 ft	Satisfactory	Recreation
Day Lake	Ashland	25 ft	Not Rated	Recreation
Mill Creek 22	Richland	25 ft	Fair	Flood Risk Reduction
Montello Granite	Marquette	24 ft	Fair	Recreation
Drummond Mill Pond	Bayfield	24 ft	Fair	Recreation
Rhinelander	Oneida	24 ft	Satisfactory	Hydroelectric
Biron	Wood	24 ft	Satisfactory	Hydroelectric
Nelligan Lake	Marinette	23 ft	Fair	Recreation
Independence	Trempealeau	23 ft	Fair	Recreation
Moose Lake 1	Sawyer	23 ft	Fair	Recreation
Crowley	Price	23 ft	Fair	Hydroelectric
Brock-clint	Marathon	23 ft	Not Rated	Recreation
Chequamegon Waters	Taylor	22 ft	Satisfactory	Recreation
Meyer Material Kd Pit	Kenosha	22 ft	Fair	Water Supply
Legend Lake Number Three	Menominee	22 ft	Satisfactory	Recreation
Pixley	Price	21 ft	Fair	Hydroelectric
Legend Lake Number One	Menominee	21 ft	Satisfactory	Recreation