Ohio Rev. Code Ann. § 1514.13
(A) The chief of the division of mineral resources management shall use the compilation of data for ground water modeling submitted under section 1514.02 of the Revised Code to establish a projected cone of depression for any surface mining operation that may result in dewatering. The chief shall consult with the chief of the division of water resources when projecting a cone of depression. An applicant for a surface mining permit for such an operation may submit ground water modeling that shows a projected cone of depression for that operation to the chief, provided that the modeling complies with rules adopted by the chief regarding ground water modeling. However, the chief shall establish the projected cone of depression for the purposes of this section. The chief shall adopt, and may amend and rescind, rules in accordance with Chapter 119. of the Revised Code establishing requirements and standards governing both of the following:
(B)