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Concentrated Animal Feeding Operation General Permit

We issue the Concentrated Animal Feeding Operation (CAFO) General Permit to operations that confine livestock for long periods of time in pens or barns and discharge pollution to surface or groundwater.

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Do I need this permit?

You must get this permit if ​you:

  • Confine livestock in pens or barns for 45 days or more during the year.
  • Discharge from your operation.

There are two CAFO permits:

  • A state permit that only covers groundwater discharges.
  • A federal permit that covers discharges to surface and groundwater.

Permit documents

Forms

Resource documents 

Air quality resources 


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