Oregon Revised Statutes Public Health and Safety § 468B.215

(1) Any person operating a confined animal feeding operation shall pay a fee established under ORS 561.255.

(2) Except for an animal feeding operation subject to regulation under 33 U.S.C. 1342, a fee shall not be assessed to nor a permit required under ORS 468B.050 (1)(d) of confined animal feeding operations of four months or less duration or that do not have waste water control facilities. A confined animal feeding operation of four months or less duration or that does not have waste water control facilities is subject to all requirements of ORS chapters 468, 468A and 468B if found to be discharging wastes into the waters of the state.

(3) The Department of Environmental Quality or the State Department of Agriculture may impose on the permit required for a confined animal feeding operation only those conditions necessary to ensure that wastes are disposed of in a manner that does not cause pollution of the surface and ground waters of the state.

(4) A permit for a confined animal feeding operation may be revoked or modified by the Department of Environmental Quality or the State Department of Agriculture or may be terminated upon request by the permit holder. An animal feeding operation may be inspected for compliance with water quality laws and regulations by the Department of Environmental Quality or the State Department of Agriculture.