Ohio Rev. Code § 1522.23: Notice to public water system permittees.

The chief of the division of water resources shall provide written notice to the director of environmental protection and the permittee at least ten business days prior to requiring a permittee that is a public water system to decrease its withdrawal, or prior to revoking, suspending, or amending the public water system's permit under this chapter. Nothing in this section affects a public water system's obligation to comply with Chapter 6109. of the Revised Code and the rules adopted under it.