According to Title 27A O.S., §§ 1-1-202 and 1-3-101, the Board is required to promulgate a Water Quality Standards Implementation Plan for its jurisdictional areas of environmental responsibility. The elements of the Plan are dictated by Title 27A O.S. § 1-1-202. The rules in this Subchapter prescribe the elements of the Board's Plan.
Okla. Admin. Code § 785:46-17-1