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    • Groundwater resources in Champaign County

    • 1950; Groundwater; ISWS RI-6; Municipal water supply; Smith, Harman F.; Water table; Wells
    • This investigation is part of a state - wide investigation of groundwater resources being conducted by the State Water Survey Division. Records of more than 1400 wells have been tabulated. These wells penetrate one or more of three separate and...
    • Ground-water recharge and runoff in Illinois

    • 1965; Aquifer; Aquifers; Artificial recharge of groundwater; Cambrian-Ordovician aquifer; Geologic; Groundwater; Hydrogeology; ISWS RI-48; Maquoketa Group; Runoff; Silurian dolomite aquifer; Walton, William C.; Water-supply; shallow dolomite aquifer
    • Recharge conditions in several areas of northeastern Illinois are described, and recharge rates for several aquifers in central and southern Illinois are given. Recharge rates to deeply buried bedrock and sand-and-gravel aquifers vary from 1300 to...
    • Groundwater resources of the buried Mahomet Bedrock Valley

    • 1969; Aquifer; Aquifers; Geologic; ISWS RI-62; Mahomet Sand aquifer; Mahomet(Teays) Bedrock Valley; Visocky, Adrian P., and Richard J. Schicht; Water resources development; Water-supply; Wells
    • The buried Mahomet Bedrock Valley and its major tributaries cover an area of about 3700 square miles in east-central Illinois. Large supplies of groundwater chiefly for municipal use are withdrawn from wells in permeable sands and gravels in thick...
    • Groundwater resources of the buried Mahomet Bedrock Valley

    • 1969; Aquifer; Aquifers; Geologic; ISWS RI-62; Mahomet Sand aquifer; Mahomet(Teays) Bedrock Valley; Visocky, Adrian P., and Richard J. Schicht; Water resources development; Water-supply; Wells
    • The buried Mahomet Bedrock Valley and its major tributaries cover an area of about 3700 square miles in east-central Illinois. Large supplies of groundwater chiefly for municipal use are withdrawn from wells in permeable sands and gravels in thick...
    • Groundwater availability in Champaign County

    • 1976; Groundwater; Hydrogeology; ISWS C-124; Sanderson, Ellis W., and Elias Zewde; Water-supply; Wells
    • An estimated 23.3 million gallons of water is pumped from the aquifers of Champaign County each day to satisfy industrial, municipal, domestic, and rural needs. A much larger quantity of water, perhaps as much as 90 million gallons a day (mgd),...
    • Groundwater availability in Champaign County

    • 1976; Groundwater; Hydrogeology; ISWS C-124; Sanderson, Ellis W., and Elias Zewde; Water-supply; Wells
    • An estimated 23.3 million gallons of water is pumped from the aquifers of Champaign County each day to satisfy industrial, municipal, domestic, and rural needs. A much larger quantity of water, perhaps as much as 90 million gallons a day (mgd),...
    • Water resources availability, quality, and cost in northeastern Illinois

    • 1976; ISWS RI-83; Kankakee River; Lake; Lake Michigan; Schicht, Richard J., J. Rodger Adams, and John B. Stall; Stream; Water resources development; Water-supply
    • This report summarizes extensive studies of the water resources of northeastern Illinois. This 3700-hundred square mile metropolitan-industrial area includes Cook, DuPage, Kane, McHenry, Lake and Will Counties with a population of seven million...
    • Ground-water investigation for the University of Illinois

    • 1999; Burch, Stephen L., Robert D. Olson, and Adrian P. Visocky; Geophysical well logging; Groundwater; ISWS CR-636; Water quality -\- Analysis; Water resources development; Water-supply
    • In 1997, the Illinois State Water Survey, at the request of the University of Illinois, initiated a test drilling project that included the construction of several 2-inch diameter observation wells at two sites on the Urbana-Champaign campus. The...
    • Ground-water investigation for the University of Illinois

    • 1999; Burch, Stephen L., Robert D. Olson, and Adrian P. Visocky; Geophysical well logging; Groundwater; ISWS CR-636; Water quality -\- Analysis; Water resources development; Water-supply
    • In 1997, the Illinois State Water Survey, at the request of the University of Illinois, initiated a test drilling project that included the construction of several 2-inch diameter observation wells at two sites on the Urbana-Champaign campus. The...
    • Watershed monitoring for the Lake Decatur watershed, 1998-1999

    • 2000; Big Creek (Upper Sangamon); Big Ditch; Camp Creek (Upper Sangamon); Canal; Friends Creek; Goose Creek (Upper Sangamon); ISWS CR 2000-06; Keefer, Laura and Misganaw Demissie; Long Creek (Upper Sangamon); Nitrates -\- Environmental aspects;...
    • Lake Decatur is the water supply reservoir for the City of Decatur. The reservoir was created in 1922 by constructing a dam to impound the flow of the Sangamon River with an original water volume of 20,000 acre-feet and an area of 4.4 square miles....
    • Sedimentation survey of Highland Silver Lake, Madison County, Illinois

    • 2001; Bogner, William C.; ISWS CR 2001-05; Lake; Silver Lake
    • Sedimentation detracts from the use of any water supply lake by reducing lake depth and volume, with a reduction of reserve water supply capacity and possible burying of intake structures. Sedimentation of a reservoir is a natural process that can...
    • Sedimentation survey of Lake Decatur's Basin 6, Macon County, Illinois.

    • 2001; Bogner, William C.; ISWS CR 2001-07; Lake Decatur; Reservoir; Reservoir sedimentation; Sangamon River; Sedimentation analysis; Stream; Stream measurements
    • Sedimentation detracts from the use of any water supply lake by reducing lake depth and volume, with a reduction of reserve water supply capacity and possible burying of intake structures. Sedimentation of a reservoir is a natural process that can...
    • Sedimentation survey of Lake Decatur's Big and Sand Creek basins, Macon County, Illinois

    • 2002; Big Creek (Upper Sangamon); Bogner, William C.; ISWS CR 2002-09; Lake sediments -\- Measurement; Reservoir sedimentation; Sand Creek (Upper Sangamon); Stream
    • Sedimentation detracts from the use of any water-supply lake by reducing lake depth and volume, with a reduction of reserve water-supply capacity and possible burying of intake structures. Sedimentation of a reservoir is a natural process that can...

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