Okla. Stat. tit. 45, § 752

The operator shall design, locate, construct, operate, maintain, enlarge, modify and remove or abandon, in accordance with the standards and criteria developed by the Department, all existing and new coal mine waste piles consisting of mine wastes, tailings, coal processing wastes, or other liquid and solid wastes, and used either temporarily or permanently as dams or embankments. Laws 1978, c. 10, § 12, emerg. eff. Feb. 2, 1978.