The term "public utility" as used in Sections 151 through 155 of this title, shall be taken to mean and include every corporation, association, company, individuals, their trustees, lessees, or receivers, successors or assigns, except as hereinafter provided, and except cities, towns, or other bodies politic, that now or hereafter may own, operate, or manage any plant or equipment, or any part thereof, directly or indirectly, for public use, or may supply any commodity to be furnished to the public.
The term "Commission" shall be taken to mean Corporation Commission of Oklahoma.
Provided, that, in Washington County, where any corporation, association, company, individuals, their trustees, lessees, or receivers, successors or assigns, is engaged in the private business of manufacturing any products other than those hereinbefore defined, and in the manufacture of such products operate and maintain private electric or water plants for its own power and electrical energy or water used in its manufacturing plant, without the right of eminent domain and without the use of streets, highways or public property, it may contract upon terms and prices approved by Corporation Commission the sale of a bona fide surplus of electrical energy or water developed in such private plants to any public utility engaged in manufacturing and distributing electrical energy in Washington County, Oklahoma, without becoming a public utility. Provided further any city or town within a county having a population of over five hundred thousand (500,000) or any county having a population of over five hundred thousand (500,000), according to the 1970 Federal Census, which is a beneficiary of a public trust that has multiple beneficiaries and that includes within any or all of its boundaries a water supply and/or distribution system, or any portion thereof, shall have the authority to condemn all or any portion of any water supply and/or distribution system owned and/or operated and/or leased by a public trust within the limits of the condemning city or town or within the unincorporated areas of the condemning county; provided the power granted hereunder shall not be exercised until the condemning city, town or county shall have made provision to pay off all outstanding bonded indebtedness incurred by the public trust, including interest on the bonds to maturity of the bonds, or first call date, and premium, if any, to which the property to be condemned or the revenues therefrom has been pledged for security.
Okla. Stat. tit. 17, § 151