The development and implementation of Total Maximum Daily Loads (TMDLs) that create watershed specific goals and regulations to improve water quality in impaired water bodies must address issues of agricultural runoff. Agricultural related pollutants contribute to 70 percent of impaired rivers and 49 percent of impaired lakes. This is the third conference by the American Society of Agricultural Engineers on the topic of TMDLs and the science, policy and economics associated with their creation and implementation.
