Browse Illinois State Water Survey (ISWS) by Author "Roadcap, George"

  • Changing Groundwater Levels in the Sandstone Aquifers of Northern Illinois and Southern Wisconsin: Impacts on Available Water Supply 
    Abrams, Daniel B.; Hadley, Daniel; Mannix, Devin; Roadcap, George; Meyer, Scott; Hlinka, Ken; Rennels, Kevin; Bradbury, Kenneth; Chase, Peter; Krause, Jacob (Illinois State Water Survey, 2015-09)
    In 2014-15, the Illinois State Water Survey conducted their largest synoptic measurement of water levels (i.e., heads) in Cambrian-Ordovician sandstone wells since 1980. The study covered 33 counties in the northern half ...

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  • An Introductory Guide to the Mahomet Aquifer and Natural Gas Storage in East-Central Illinois 
    Locke, Randy; Roadcap, George; Stumpf, Andrew; Leetaru, Hannes; Kelly, Walt; Winkel, Richard (Prairie Research Institute, 2018-02)
    This introductory guide was developedby the NGWG in coordination with colleagues across PRI to provide basic information about the Mahomet aquifer and natural gas storage in east-central Illinois. PRI is available to the ...

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  • Kane County Water Resources Investigations: Simulation of Groundwater Flow in Kane County and Northeastern Illinois 
    Meyer, Scott; Roadcap, George; Lin, Yu-Feng; Walker, Douglas (Illinois State Water Survey, 2009-05)
    This report discusses an assessment of groundwater resources supplying water to Kane County, Illinois, a rapidly growing county on the west side of the greater Chicago metropolitan area. This study assimilates the available ...

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  • Mahomet Aquifer Protection Task Force: Findings and Recommendations 
    Ammons, Carol; Ballenger, Eric; Barnett, Teresa; Bennett, Scott; Davis, Alec M.; Frank-Feinen, Deborah; Gleason, Keith; Griffith, Donovan; Hostetler, Charles; Karner, Lynn; Koos, Chris; Lennhoff, Claudia; Marlin, Diane; Messina, Alec; Mitchell, Bill; Moore-Wolfe, Julie; Rehn, Andrew; Risley, Jim; Roadcap, George; Rose, Chapin; Smith, Charles; Stoner, Larry; Turner, Steve; Zalucha, Todd; Zimmerman, David (Mahomet Aquifer Protection Task Force, 2018-12-21)
    The Mahomet Aquifer is one of Illinois’ most important groundwater resources, serving as the primary source of drinking water for more than 500,000 people in 15 Illinois counties and providing an estimated 220 million ...

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  • Water Supply Planning: Middle Illinois Progress Report 
    Kelly, Walt; Abrams, Daniel; Knapp, Vern; Meyer, Scott; Zhang, Zhenxing; Dziegielewski, Benedykt; Hadley, Dan; Roadcap, George; Mannix, Devin; Lian, Yanqing (Illinois State Water Survey, 2016-02)
    This report presents a summary of 1) the technical information assembled to describe existing water availability and sources of supply within the 7-county (LaSalle, Livingston, Marshall, Peoria, Putnam, Stark, and Woodford ...

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  • Water Withdrawals in Illinois, 2011 
    Hlinka, Kenneth; Wilson, Steve; Smith, Cassia; Rogers, Greg; Bridges, Karen; Meyer, Scott; Roadcap, George; Healy, Conor; Bryant, Timothy P. (Illinois State Water Survey, 2014)
    This report summarizes data collected by the Illinois Water Inventory Program for calendar year 2011. Water use data are presented for public water supply and self-supplied industry facilities within Illinois. The data are ...

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