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Survey releases results of Sauk County groundwater study

Like many parts of Wisconsin, Sauk County has recently experienced a rapid increase in population along with an increase in development and a decrease in agricultural land. These changes have heightened awareness among citizens and public officials of a need to manage and protect the water resources of Sauk County.

Staff of the Wisconsin Geological and Natural History Survey and the U.S. Geological Survey recently completed a study of the groundwater of the county. The results of that work have been published in the new report, Hydrogeology and Simulation of Groundwater Flow in Sauk County, Wisconsin, by M.B. Gotkowitz, K.K. Zeiler, C.P. Dunning, J.C. Thomas, and Yu-Feng Lin.

In this report the researchers describe the overall geology of the county as it relates to groundwater resources, the materials that store water beneath the ground surface, and how groundwater flows. On the basis of this information, they developed a computer model that simulates groundwater movement. The model indicates that almost all the groundwater pumped in Sauk County originates as recharge within the county. The authors concluded that sufficient groundwater is available to meet current and probable future demand in the county, but that groundwater withdrawal from some wells might decrease flow to nearby streams and springs.

The 47-page report, published as WGNHS Bulletin 102, can be purchased for $7 from the Map Sales office of the Wisconsin Geological and Natural History Survey, 3817 Mineral Point Road, Madison, Wisconsin 53705-5100. MasterCard and Visa customers may telephone their orders (608/263.7389) between the hours of 8 am and 4:30 pm, Monday through Friday. Shipping and handling charges are extra; refer to our order form, which is in Adobe® Acrobat® format. MasterCard and Visa customers may telephone their orders between the hours of 8 am and 4:30 pm, Monday through Friday.

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