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National Pollutant Discharge Elimination System (NPDES)

Animal Feeding Operations - NPDES CAFO Permitting

Most states are authorized to issue NPDES permits. The operator of a concentrated animal feeding operation (CAFO) in an authorized state should request coverage from the appropriate state agency and utilize the appropriate state forms. See AFO State Contacts

EPA is the permitting authority in Idaho, Massachusetts, New Hampshire, New Mexico, the District of Columbia, tribal lands, and U.S. territories. CAFO operators in these jurisdictions should contact the appropriate EPA contact and use the following EPA forms to request permit coverage. See AFO EPA Headquarters or Regional Contacts 

Annual NPDES CAFO Program Status Reports

EPA compiles annual summaries on the implementation status of the NPDES CAFO regulations. Reports include, for each state: total number of CAFOs, number of CAFOs with NPDES permits, and other information associated with implementation of the CAFO regulations.