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Researchers at Oklahoma State University (OSU), Iowa State University (ISU), and the USDA-ARS National Soil Tilth Laboratory (NSTL) have formed a unique research team to solve an important water quality problem. This team is addressing the transport of pathogens (specifically, the indicator organism Escherichia coli or E. coli) through soils and, more specifically, the role of macropores in the transport of E. coli to subsurface drains. Pathogen contamination of water supplies is now considered one of the top water-quality issues in the United States and around the world.
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Fox, Garey; Kanwar, Rameshwar S.; and Malone, Robert W., "Earthworms and E. coli: A Perilous Combination for Drainflow Water Quality" (2008). Agricultural and Biosystems Engineering Publications. 505.