Okla. Stat. tit. 82 § 501
In addition to the powers conferred upon the Conservation Commission of the State of Oklahoma by Article 5, Chapter 70, Oklahoma Statutes of 1931, as amended by House Bill Number 84, of the Fifteenth Legislature, the said Conservation Commission of the State of Oklahoma is hereby authorized and empowered to determine and map proposed water conservancy and/or water improvement districts and/or soil erosion prevention districts and to perfect the organization of such proposed districts in the manner as hereinafter prescribed. For the purposes of this act and other Laws in connection therewith, the members of the Conservation Commission of the State of Oklahoma may be, by the courts upon which jurisdiction is hereinafter conferred, appointed directors of the conservancy districts hereafter created under the authority of this act.
Okla. Stat. tit. 82, § 501