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Concentrated Animal Feeding Operations (CAFO) - Final Rule

EPA promulgated revised regulations for CAFOs on February 12, 2003. The 2003 regulations expanded the number of operations covered by the CAFO regulations and included requirements to address the land application of manure from CAFOs. The rule became effective on April 14, 2003 and authorized NPDES states were required to modify their programs by February 2005 and develop state technical standards for nutrient management.

Revised regulations that address the Second Circuit court’s 2005 decision in Waterkeeper Alliance et al. v. EPA, 399 F.3d 486 became effective on December 22, 2008. The 2008 final rule revised the 2003 regulations.

The 2012 final rule revisions revise portions of the 2008 CAFO permit regulation to address the Fifth Circuit court’s vacature order in its decision in National Pork Producers Council v. EPA.

A complete history of EPA’s CAFO rulemaking activities is provided on the CAFO Rule History page.

2012 Final CAFO Rule to Remove 5th Circuit Court’s Vacated Elements

Related Documents and Permit Information

Implementation Guidance on CAFO Regulations - CAFOs That Discharge or Are Proposing to Discharge

The Producers' Compliance Guide for CAFOs

NPDES Permit Writers' Manual and Example NPDES Permit for Concentrated Animal Feeding Operations

Statement of Involvement between EPA and USDA (PDF) (2 pp, 146K)

Permit requirements vary by state. To determine your state-specific permit requirements, please contact your State Permitting Authority. Tribes should contact their EPA Regional CAFO Coordinator.

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Last updated on February 18, 2014 5:07 PM
URL:http://cfpub2.epa.gov/npdes/afo/cafofinalrule.cfm