Okla. Stat. tit. 82, § 1324.35
In the event a corporation provides service within the boundaries of an incorporated city or town on the date of organization as a rural water district, the district may continue to serve in that area as permitted by law.
Laws 1989, HB 1635, c. 103, § 6, emerg. eff. April 25, 1989; Renumbered from 18 O.S. § 863.6 by Laws 1989, HB 1637, c. 369, § 153, emerg. eff. July 1, 1989.