Do I need a permit for the manure generated by my animals?
The Oregon Department of Agriculture issues a Confined Animal Feeding Operation (CAFO) permit to livestock owners so manure does not pollute ground and surface water.
There are three main factors that determine if your farm needs a CAFO permit:
- How many animals you have.
- How long the animals are confined for in a prepared area (e.g. in a barn, lot, pen).
- How the manure and wastewater generated by the farm is stored (e.g. do you collect your manure in a tank or do you stack it in a pile).
Reference table 1 in the CAFO permit (see current permit and related materials below) to determine whether the permit is required. For more information, see the CAFO geographic boundaries resource to contact the livestock water quality specialist in your area.
Applying for a permit
For operators not currently permitted, complete Application to Register (ATR) to the Oregon CAFO permit and review the animal waste management plan minimum requirements when completing section IV of the ATR.
CAFO permit fees
There is a $50 application fee when applying for a permit and an annual permit fee. Depending on the size of your operation, the annual permit fee is
- $100 for a small CAFO
- $200 for a medium CAFO
- $300 for a large CAFO
Reference table 1 in the CAFO permit (see current permit and related materials below) to determine the size of your operation.
What if I need a CAFO permit but decide not to get one?
Failing to apply for a CAFO permit, if required, is a violation of state law and you may be assessed a financial penalty.
Activities within the CAFO Program require public notice and participation opportunities. For details on noticing and public participation requirements, please reference table 2 of the CAFO permit.
Lost Valley Farm
Animal Feeding Operations
Background information regarding the implementation of the CAFO rule at the federal level Website
NPDES Current Issues
Current federal issues that impact NPDES permits Website
Rules and regulations
Department of Environmental Quality Division 45, Regulations Pertaining to NPDES and WPCF Permits
DEQ's administrative rules for the CAFO Program Law or rule
House Bill 2156
CAFO program history Document
OAR 340 Division 51: Confined Animal Feeding or Holding Operations
Rules relating to the Confined Animal Feeding Operation Program Law or rule
OAR 603 Division 74: Confined Animal Feeding Operation Program
Rules relating to the Confined Animal Feeding Operation (CAFO) Program Law or rule
ORS 468B Water Quality
Statutes relating to Water Quality Law or rule
Current permits and related materials
CAFO NPDES General Permit Evaluation Report and Fact Sheet
CAFO Program Memorandum of Understanding
MOU between the Environmental Quality Commission and the Oregon Department of Agriculture for authorization of the CAFO program. Document
CAFO WPCF General Permit Evaluation Report and Fact Sheet
Del Sistema Nacional de Eliminación de Descargas de Contaminantes Para Una Operación de Alimentación de Animals Estabulados