Okla. Admin. Code § 785:20-11-8
The Oklahoma Water Resources Board, as successor to the Conservation Commission of the State of Oklahoma and the Oklahoma Planning and Resources Board, shall execute and deliver a written release of any easement or easement deed given to the Conservation Commission on land situated in the State for the purpose of constructing a dam, spillway, and appurtenances whenever it appears that the need for such easement or easement deed no longer exists. Any person desiring such release of easement or easement deed shall make application to the Board accompanied by a filing fee as set forth in Chapter 5 of this Title. Upon receipt of such application a notice will be prepared by the Board setting the date, time, and place of a hearing thereon. The hearing notice shall be published by the applicant at his expense once a week for two (2) consecutive weeks in a newspaper having a general circulation in the county where the land is situated. The last notice shall be published at least ten (10) days prior to the date set for the hearing. Upon approval of the release the applicant shall submit a copy of the release as recorded in the office of the County Clerk in the county wherein the land is situated showing the date, book, and page of such filing.
Okla. Admin. Code § 785:20-11-8