In early 2003, EPA issued significant revisions to its regulations for NPDES permitting of concentrated animal feeding operations (CAFOs) under the Clean Water Act. In December, 2003, EPA issued a guidance document for CAFO permitting titled NPDES Permit Writers Guidance Manual and Example NPDES Permit for Concentrated Animal Feeding Operations, EPA-833-B-04-001 (Permit Guidance). That guidance document discussed the general framework for NPDES permitting of CAFOs under the Clean Water Act and EPAs revised regulations. It addressed such issues as when does an animal feeding operation become defined as a CAFO, when are CAFOs required to get a permit, the difference between general permits and individual permits, and what effluent limitations and standards should or must be included in NPDES permits for CAFOs. This document, Managing Manure, is designed to supplement EPA's previous guidance by providing additional technical information to owners, operators, technical service providers, consultants, and permit authorities on how to carry out EPA's revised regulatory requirements for NPDES permitting of CAFOs.

"December 2004." Cover title. Includes bibliographical references. "Office of Water." "EPA 821-B-04-009."