National Assessment of Pesticide Runoff Loads from Grass Surfaces
Publication: Journal of Environmental Engineering
Volume 137, Issue 9
Abstract
Pesticide runoff loads from grass surfaces were estimated through simulation experiments for 37 chemicals registered for use on U.S. lawns and golf courses. Simulation runs were made for each chemical and surface (lawns, greens, fairways) using 100-year weather records generated for nine U.S. cities. Results were summarized as mean annual and 1-in-10 year annual maximum daily pesticide loads. These loads varied greatly with pesticide, grass surface, and city, ranging from less than one to over for mean annual loads and from less than one to over for 1-in-10 year maximum daily loads. Mean annual loads averaged over the 37 chemicals and three grass surfaces were found to be closely related to growing season precipitation. Variations among the nine cities were well-captured by three general climate categories: humid, represented by Atlanta and Houston; mesic, as with Albany, Columbus, Madison, and Olympia; and dry, represented by Bismarck, Fresno, and Roswell. Mean annual pesticide runoff was 19, 6, and in the humid, mesic, and dry regions, respectively.
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 137 • Issue 9 • September 2011
Pages: 761 - 769
Copyright
© 2011 American Society of Civil Engineers.
History
Received: Feb 3, 2010
Accepted: Mar 8, 2011
Published online: Aug 15, 2011
Published in print: Sep 1, 2011
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