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New water quality project in Lime Creek watershed

Posted on June 1st, 2017

A new project funded by the Iowa Nutrient Reduction Center is aimed at understanding the nutrient reduction benefits found in roadside ditches.

soil sampling in Lime Creek watershed

The study, led by Dr. Keith Schilling from the Iowa Geological Survey at the University of Iowa, is being conducted in the Lime Creek watershed in Buchanan County. Six roadside ditches in the watershed were selected for the study. At each site, soil samples were recently collected and shallow water table wells were installed to evaluate groundwater quality. All the wells are anchored to fence posts and marked with orange paint for visual identification. Staff from the Iowa Geological Survey will collect samples from the ditch sites on a monthly frequency throughout 2017.

The study, which includes partners from Coe College and University of Northern Iowa Tallgrass Prairie Center, will be completed in 2018.

For question, please contact Dr. Keith Schilling at


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