Okla. Stat. tit. 2, § 2-2-18.2: Oklahoma Department of Agriculture, Food, and Forestry -

Official environmental regulatory agency.

The Oklahoma Department of Agriculture, Food, and Forestry is

hereby designated as an official environmental regulatory agency for

agricultural point source and nonpoint source pollution within its

jurisdiction as specified in subsection D of Section 1-3-101 of

Title 27A of the Oklahoma Statutes. The Department is hereby

authorized and directed to obtain authorization from the

Environmental Protection Agency (EPA) to administer any and all of

the National Pollution Discharge Elimination System (NPDES) programs

for agricultural point and nonpoint source discharges within its

specified jurisdiction.