Ohio Rev. Code Ann. § 1521.06
(A) No dam may be constructed for the purpose of storing, conserving, or retarding water, or for any other purpose, nor shall any levee be constructed for the purpose of diverting or retaining flood water, unless the person or governmental agency desiring the construction has a construction permit for the dam or levee issued by the chief of the division of water resources. A construction permit is not required under this section for:
(B) Before a construction permit may be issued, three copies of the plans and specifications, including a detailed cost estimate, for the proposed construction, prepared by a registered professional engineer, together with the filing fee specified by this section and the bond or other security required by section 1521.061 of the Revised Code, shall be filed with the chief. The detailed estimate of the cost shall include all costs associated with the construction of the dam or levee, including supervision and inspection of the construction by a registered professional engineer. The filing fee shall be based on the detailed cost estimate for the proposed construction as filed with and approved by the chief, and shall be determined by the following schedule unless otherwise provided by rules adopted under this section: