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Data Series 863

National Water-Quality Assessment Program

Annual Agricultural Pesticide Use for Midwest Stream-Quality Assessment, 2012–13

By Nancy T. Baker and Wesley W. Stone

Thumbnail of and link to report PDF (11 MB)Abstract

This report provides estimates of annual agricultural use of 190 pesticide compounds for counties and selected watersheds of Midwestern States for 2012 and 2013 compiled for subsequent analysis by the National Water-Quality Assessment Program, Midwest Stream-Quality Assessment (MSQA). One of the goals of MSQA is to characterize contaminants at perennial-stream sites throughout the Corn Belt. Evaluating pesticide inputs from agricultural sources will aid in that characterization.

Crop acres for selected Midwestern crops were obtained from the Cropland Data Layer of the U.S. Department of Agriculture’s National Agricultural Statistics Service and used in conjunction with GfK Kynetec, Inc. proprietary Crop Reporting District-level pesticide-use data to estimate pesticide use for counties and watersheds. Estimated pesticide use (EPest) values were calculated by using both the “EPest-high” and “EPest-low” methods, the distinction being that there are more counties with estimated pesticide use for EPest-high compared to EPest-low, owing to differing assumptions about missing survey data.

County-level and watershed-level estimates of annual agricultural pesticide use are provided as downloadable, tab-delimited files for both EPest-high and Epest-low. Summary graphs of MSQA watershed-level pesticide use for selected crops are also provided.

First posted July 28, 2014

  • Tables 4-7 (Zip File) .txt 3.98 MB)
    Tables 4-7, are .txt files that provide county-level and watershed-level estimates of annual agricultural pesticide. This data is provided as downloadable, tab-delimited files for both EPest-high and Epest-low.

    Table 4. Pest-low county estimates
    Table 5. EPest-high county estimates
    Table 6. EPest-low watershed estimates
    Table 7. EPest-high watershed estimates

For additional information, contact:
Director, Indiana Water Science Center
U.S. Geological Survey
5957 Lakeside Blvd.
Indianapolis, IN 46278
http://in.water.usgs.gov/

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Suggested citation:

Baker, N.T., and Stone,W.W., 2014, Annual agricultural pesticide use for midwest stream-quality assessment, 2012–13: U.S. Geological Survey Data Series 863, 17 p. pamphlet, 4 tables, http://dx.doi.org/10.3133/ds863.

ISSN 2327–638X (online)



Contents

Abstract

Introduction

Estimation Methods

Midwest Stream-Quality Assessment Watershed Pesticide Use

References Cited


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