EPA's Total Maximum Daily Load (TMDL) Program: Highlights of Proposed Changes and Impacts on Agriculture

In August 1999 the Environmental Protection Agency (EPA) proposed regulations to clarify and strengthen the Total Maximum Daily Load (TMDL) program under section 303(d) of the Clean Water Act. Section 303(d) requires states to identify surface waters for which wastewater discharge limits are not stringent enough to achieve water quality standards and to allocate further required pollutant reductions among sources in order to attain those standards. This report discusses the major changes in EPA's proposals, compared with existing regulatory program requirements, and potential impacts on agriculture and forestry sources, which have been controversial