Ohio Rev. Code Ann. § 6111.30
(A) Applications for a section 401 water quality certification required under division (O) of section 6111.03 of the Revised Code shall be submitted on forms provided by the director of environmental protection and shall include all information required on those forms as well as all of the following:
(I) Mitigation required by a section 401 water quality certification may be accomplished by any of the following: