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PLANNING GUIDE FOR EVALUATING AGRICULTURAL NONPOINT SOURCE WATER QUALITY CONTROLS
Citation:
Robillard, P., M. Walter, AND L. Bruckner. PLANNING GUIDE FOR EVALUATING AGRICULTURAL NONPOINT SOURCE WATER QUALITY CONTROLS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/3-82/021.
Description:
This manual is a guide for water quality planners in the evaluation and selection of agricultural nonpoint source controls for areas ranging in size from individual farms and subwatersheds to large regions. Such controls are specified in water quality plans developed in response to Section 208 of the 1972 Federal Water Pollution Control Act Amendments. Control practices are described for both irrigated and nonirrigated cropland. The physical and chemical nature of nonpoint source pollutants and the pathways by which these pollutants are transported from field to water body are examined. Pollutants discussed include nutrients, sediment, animal wastes, salts and pesticides. Controls involve tillage methods, cropping practices, and methods of pesticide and fertilizer application.