Ohio Revised Code Title LIII. Real Property § 5301.89

(A) An environmental covenant is perpetual unless any of the following applies:

(B) If the agency that signed an environmental covenant has determined that the intended benefits of the environmental covenant can no longer be realized, a court, under the doctrine of changed circumstances, in an action in which all persons identified in divisions (A) and (B) of section 5301.90 of the Revised Code have been given notice, may terminate the environmental covenant or reduce its burden on the real property that is subject to the environmental covenant.

(C) Except as otherwise provided in divisions (A) and (B) of this section, an environmental covenant may not be extinguished, limited, or impaired through issuance of a tax deed, foreclosure of a tax lien, or application of the doctrine of adverse possession, prescription, abandonment, waiver, lack of enforcement, or acquiescence or a similar doctrine.

(D) An environmental covenant may not be extinguished, limited, or impaired by application of sections 5301.47 to 5301.56 of the Revised Code.