Ohio Rev. Code § 6111.08: Rights in equity or under common law not affected.

Chapter 6111. of the Revised Code does not abridge rights of action or remedies in equity or under the common law, nor does such chapter, or any act done under such chapter, estop the state, or any municipal corporation or person, as riparian owners or otherwise, in the exercise of their rights in equity or under the common law to suppress nuisances or to abate pollution.