Okla. Stat. tit. 82, § 82-105.9: Application for water rights

Any person, firm, corporation, state or federal governmental

agency, or subdivision thereof, intending to acquire the right to

the beneficial use of any water shall, before commencing any

construction for such purposes or before taking the same from any

constructed works, make an application to the Board, together with

the filing fee authorized by law, for a permit to appropriate in the

form required by rules and regulations established by the Board.

Such rules and regulations shall, in addition to providing the form

and manner of preparing and presenting the application, require that

such application state all the data necessary for the proper

description and limitation of the right applied for, as to the

amount of water requested, together with such information as may be

necessary to show the method and practicability of the construction

and the ability of the applicant to complete the same.