Concentrated Animal Feeding Operation General Permit

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

• Combined permit (effective March 3, 2017)
• State-only permit (effective March 3, 2017)
• Fact sheet
• Response to comments
• Small Business Economic Impact Statement

Forms

• Application for coverage (NOI) form (PDF)
• Transfer of coverage form (PDF)
• Annual report (PDF)
• Yearly nutrient budget (Excel)
• NRCS Assessment Procedure for Existing Waste Storage Ponds (PDF)
• Monthly recordkeeping calendar (PDF)
• Export recordkeeping (PDF)

Resource documents 

• EM 8832-E Post-harvest Soil Nitrate Testing for Manured Cropping Systems West of the Cascades, Sullivan, Cogger
• PNW533 Fertilizing with Manure and Other Organic Amendments, Bary, Cogger, Sullivan
• PNW 570-E Monitoring Soil Nutrients Using a Management Unit Approach, Staben, Ellsworth, Sullivan, Horneck, Brown, Stevens
• PNW 673 Sampling Dairy Manure and Compost for Nutrient Analysis, Moore, Haro-Marti, Chen

Air quality resources 

• Ecology Air Quality Program
• EPA CERLCA and EPCRA Reporting Requirements