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The EPA ecoregion classification system has four levels, but only Levels I, III, and IV are shown on this list. Level I divides North America into 15 broad ecoregions (or biomes ). Illinois is almost entirely within the Eastern Temperate Forest environment Level I region, although very small sections in its extreme west are in the Great Plains ...
Watersheds of Illinois is a list of basins or catchment areas into which the State of Illinois can be divided based on the place to which water flows.. At the simplest level, in pre-settlement times, Illinois had two watersheds: the Mississippi River and Lake Michigan, with almost the entire State draining to the Mississippi, except for a small area within a few miles of the Lake.
The Illinois Waterway system consists of 336 miles (541 km) of navigable water from the mouth of the Calumet River at Chicago to the mouth of the Illinois River at Grafton, Illinois. Based primarily on the Illinois River , it is a system of rivers, lakes, and canals that provide a commercial shipping connection from the Great Lakes to the Gulf ...
The Illinois River is an important part of the Great Loop, the circumnavigation of Eastern North America by water. The City of Peoria is developing a long-term plan to reduce combined sewer overflows to the Illinois River, as required by the U.S. Environmental Protection Agency and the Illinois Environmental Protection Agency.
Edwards River; Elm River; Embarras River (Illinois) Fox River (Illinois River tributary), northern Illinois; Fox River (Little Wabash tributary), southern Illinois; Galena River; Grand Calumet River; Green River; Henderson Creek; Hickory Creek; Illinois River; Indian Creek; Iroquois River; Jackson Creek; Kankakee River; Kaskaskia River ...
The Sangamon River is a principal tributary of the Illinois River, approximately 246 miles (396 km) long, [2] in central Illinois in the United States. It drains a mostly rural agricultural area and runs through Decatur and past Springfield .
It was originally known to European settlers as the Little Des Plaines River but was given the name Salt Creek in the mid-nineteenth century after a large wagonload of salt spilled in the waterway. Some of the species of fish in the creek include carp, smallmouth bass, northern pike, bluegill/sunfish minnow/shad, and bullhead catfish. [3]
Map of the Des Plaines River drainage basin. The Des Plaines River (/ d ɪ s ˈ p l eɪ n z / diss-PLAYNZ) is a river that flows southward for 133 miles (214 km) [2] through southern Wisconsin and northern Illinois [3] in the United States Midwest, eventually meeting the Kankakee River west of Channahon to form the Illinois River, a tributary of the Mississippi River.