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Aquifers of the United States are organized by national principal aquifer codes and names assigned by the National Water Information System (NWIS). Aquifers are identified by a geohydrologic unit code (a three-digit number related to the age of the formation) followed by a 4 or 5 character abbreviation for the geologic unit or aquifer name.
All rivers with average discharge more than 15,000 cubic feet per second are listed. Estimates are approximate, because data are variable with time period measured and also because many rivers lack a gauging station near their point of outflow.
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.
Currently, the best source for nationwide LiDAR availability from public sources is the United States Interagency Elevation Inventory (USIEI). [1] The USIEI is a collaborative effort of NOAA and the U.S. Geological Survey, with contributions from the Federal Emergency Management Agency, the Natural Resources Conservation Service, the US Army Corps of Engineers, and the National Park Service.
Bodies of water of Cook County, Illinois (2 C, 3 P) Bodies of water of Crawford County, Illinois (1 C) Bodies of water of Cumberland County, Illinois (1 C, 1 P)
Map of the Embarras River highlighted within the Wabash River watershed. The Embarras River rises in Champaign County.The upper reaches of the Embarras include the detention ponds near the intersection of Windsor Road with U.S. Route 45 in southeastern Champaign; the southern portion of the University of Illinois campus, including the small creek near the Vet Med Building; and Meadowbrook Park ...
Kirkwood–Cohansey Aquifer, is located under the Pine Barrens (New Jersey) of southern New Jersey, contains 17 trillion US gallons (64 km 3) of some of the purest water in the United States. Mahomet Aquifer supplies water to some 800,000 people in central Illinois and contains approximately four trillion US gallons (15 km 3) of water.
From its headwaters near Saybrook, Illinois, it runs generally westward to the main stem of the Sangamon near Greenview. The largest lake formed by Salt Creek is Clinton Lake near Clinton, which provides cooling water for the Clinton Nuclear Generating Station. The lower reaches of Salt Creek at one time formed the boundary between Mason and ...