Environmental Protection
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Upper Rock River Basin
The Upper Rock River basin lies in south-central Wisconsin's eastern ridges. At the north end of the basin, the east, south and west branches of the Rock River come together in Horicon Marsh. From the city of Horicon, on the south edge of the marsh…
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Upper Green Bay Basin
The Upper Green Bay basin consists of 18 watersheds in northeastern Wisconsin, including all of Florence, Marinette and Oconto counties and a major portion of Forest County and smaller regions of Brown, Langlade, Menominee, Outagamie, Shawano and…
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Upper Fox River Basin
The Upper Fox River basin is located in east-central Wisconsin. It includes all of Marquette County. Portions of Adams, Calumet, Columbia, Fond du Lac, Green Lake, Winnebago and Waushara counties make up the remainder of the basin. The total area of…
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Upper Chippewa River Basin
The Upper Chippewa basin is located in west-central and northwestern Wisconsin. The mainstem Chippewa River is formed by the confluence of the West Fork Chippewa River (rising from the 14,500 acre Chippewa Lake, southeastern Bayfield County) and…
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Lake Superior Basin
Clear, cold and deep, Lake Superior - the largest expanse of freshwater in the world - forms Wisconsin's north coast. The Wisconsin Department of Natural Resources in the Lake Superior basin provides this site about fisheries, forests, wildlife,…
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St. Croix River Basin
The St. Croix basin is a special area of the state. Its abundant streams, lakes and wetlands, rich forests and farmlands, wildlife and fisheries make this a popular recreational destination and location for living. The River begins in Upper St.…
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Sheboygan River Basin
The rivers, lakes, groundwater and lands in the Sheboygan River basin sustain a wide range of plant and animal life as well as offer wide range of quality. From the natural and agricultural rural areas to the urban and urbanizing areas, one thing…
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Root-Pike Basin
The Root-Pike basin is located in portions of four counties; contains (entirely or portions of) 10 cities, eight towns and eight villages; and is home to about 300,000 people. The basin is divided into five watersheds: Pike Creek - Kenosha, Pike…
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Milwaukee River Basin
The rivers, lakes, groundwater and lands in the Milwaukee River basin sustain a wide range of plant and animal life. From the seemingly untouched areas within the Northern Unit of the Kettle Moraine State Forest to the areas near cities challenged…
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Lower Wisconsin River Basin
The Lower Wisconsin River basin drains approximately 4,940 square miles of south-central and southwestern Wisconsin. The basin includes the Wisconsin River from the Castle Rock Flowage dam to its confluence with the Mississippi River near Prairie du…