Okla. Stat. tit. 82, § 1606

Establishment and delineation of floodplains and one- hundred-year flood elevations for Oklahoma. The Oklahoma Water Resources Board shall coordinate with floodplain boards in the use of flood insurance rate maps and flood hazard boundary maps for the establishment and delineation of the floodplains and the one-hundred-year flood elevations for Oklahoma. The Board may also continue to assign a staff member to be the State Floodplain Coordinator that assists other state agencies, boards of county commissioners, governing bodies of municipalities, floodplain boards and floodplain administrators in coordinating with the Federal Emergency Management Agency in matters relating to the program.