Abstract
 Planning for Sustainability: Mapping the Shallow Groundwater Resource Track: Water Resources Author(s): Kurt Thomsen, Connie Pokorny, Janet Agnoletti To establish water resource baseline conditions using limited resources, the Barrington Area Council of Governments (BACOG) developed a method to produce baseline hydrogeologic unit maps from readily available borehole log data using GIS querying techniques. Borehole strata descriptions were converted to numerical values by establishing the average hydraulic conductivity of the combined soils making up the stratum of interest. These hydraulic conductivity values were then used to assign each stratum to a hydrogeologic unit based on typical ranges of hydraulic conductivity for aquifers, aquitards, and aquicludes. In this manner, the well log data were queried to describe the shallow aquifer system. This approach was used to estimate the health of the shallow aquifer system to plan for sustainability using a water budget model. Estimates were made for the components of the water budget that included storage, septic loading, inflows including through flow and seepage, discharge, consumption, and outflows including through flow and seepage. Kurt Thomsen Barrington Area Council of Governments (BACOG) 118 Applebee Street Barrington , IL 60010 US Phone: 847 381 7871 Fax: 847 381 7882 E-mail: kothomsen@kot-eci.com Connie Pokorny Barrington Area Council of Governments 118 Applebee Street Barrington , IL 60010 US Phone: 847 381 7871 Fax: 847 381 7882 E-mail: c.pokorny@bacog.org Janet Agnoletti Barrington Area Council of Governments 118 Applebee Street Barrington , IL 60010 US Phone: 847 381 7871 Fax: 847 381 7882 E-mail: j.agnoletti@bacog.org |
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