Geological Research at the IGS

Agricultural BMP application to remediate nitrate contamination in a major outwash aquifer in Jackson County, Indiana

Status Start Date End Date Locations
completed Oct 14, 2003 Oct 13, 2007 Jackson
Director: Denver Harper
Other Researchers: Edwin Hartke
Funding: Indiana Department of Environmental Management (IDEM)
Issue: The project involved a cooperative effort of the IGS, farmers, and farm-service agencies to implement various best management practices (BMPs) for fertilizer application and to determine the effects of the BMPs, if any, on the quality of ground water (particularly nitrate levels) in an underlying aquifer.
Approach: In association with farmers, demonstration fields were established and monitoring wells were installed to collect samples of water that leached from these fields to the aquifer. Changes in nitrate concentrations through time were studied to indicate which of the experimental procedures were most effective.
Products: Harper, Denver, Hartke, Edwin, 2009, Best management practices to remediate nitrate contamination in a major outwash aquifer in Jackson County, Indiana: Indiana Geological Survey Occasional Paper 70, 14 p., 6 fig.
Benefits: The BMPs developed during the project can be applied to similar hydrogeologic settings throughout the state, as well as to the similar settings throughout the glaciated northern part of the United States.

Agricultural BMP (Best Management Practices) Application to Remediate Nitrate Contamination in a Major Outwash Aquifer in Jackson County, Indiana

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