Ohio Rev. Code Ann. § 6109.072
(B) In addition to meeting the siting requirements established under section 6109.04 of the Revised Code and the rules adopted under it, a person that submits a well siting application for a public water system well shall include all of the following in the application:
(4) For a public water system well that has the capacity to withdraw waters of the state in an amount requiring registration pursuant to section 1521.16 of the Revised Code, a general plan, subject to approval of the director, that includes both of the following: