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application/pdf2008-01-16-Wehrmann.pdf (5MB)
Wehrmann's slidesPDF


video/mp420080116-Wehrmann.mp4 (2GB)
Video recording of Al Wehrmann's seminar on January 16, 2008MPEG-4 video


Title:Sustainability and the Mahomet Aquifer
Author(s):Wehrmann, Allen
Subject(s):raw drinking water
source water
Abstract:Allen Wehrmann, P.E. - Director, Center for Groundwater Science, Illinois State Water Survey. The Mahomet Aquifer stretches beneath all or parts of 15 counties in east-central Illinois from the Indiana border near Hoopeston to the Illinois River at Havana. The aquifer is the source of water to over 100 communities, about two thousand irrigation systems, and tens of thousands of domestic wells. Approximately 55 million gallons of water per day (mgd) are pumped from the Mahomet or aquifers directly overlying the Mahomet to community water systems of which 23 mgd are pumped locally to Champaign-Urbana and other Illinois-American Water Co. satellite communities. During the summer, over 340 mgd is pumped to irrigate crops on the sandy soils of Mason and Tazewell Counties. Are such withdrawals sustainable (and what do we mean when we use the word "sustainable")? What about future water demands? They explored what is known and not known about the aquifer, the impacts of current and future aquifer development, and ongoing research and grass-roots planning efforts.
Issue Date:2008-01-16
Genre:Presentation / Lecture / Speech
Sponsor:Sustainable Seminar Series
Date Available in IDEALS:2020-03-31

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