Watersheds
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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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Freshwater mussels of the Mississippi River
Currently there are 39 species of mussels (commonly called clams) found along the Wisconsin portion of the Mississippi River. Their distribution varies between localized and rare populations to those that are more widely found such as the giant…
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Mississippi River fish
The Upper Mississippi River is home to over 119 species of fish -- more species than are found in any of Wisconsin’s inland lakes. Favorite sport fish include walleye, sauger, largemouth bass, smallmouth bass, channel catfish, northern pike,…
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Mississippi River - Frequently asked questions
Hunting Where is it legal to hunt with a Wisconsin license? You may hunt with a Wisconsin hunting license only in open hunting areas within Wisconsin. The commercial navigation channel, marked with large red or black buoys, is the state line in…
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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…
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Lower Rock River surface water quality report
The Lower Rock River in south-central Wisconsin extends 48 miles from Fort Atkinson to the Illinois-Wisconsin border at Beloit. A large, low velocity, warmwater river, it is classified as warmwater sport fishery. The main stem only partially…
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Lower Rock River groundwater
Groundwater is an important resource of the Lower Rock River basin. It is the source of almost all water used for domestic, agricultural, commercial and industrial purposes in the basin. All of the basin's residents rely on groundwater for potable…
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Lower Rock River geologic and geographic setting
The Lower Rock River basin includes the portion of the Rock River below Fort Atkinson and its tributaries. The Bark River originates in Washington County and traverses the southern Kettle Moraine region before emptying into the Rock at Fort Atkinson…