Ohio Rev. Code § 4933.24: Prohibiting interference with apparatus of sewage disposal companies or unauthorized taps.

No person shall maliciously open, close, adjust, or interfere with a valve, regulator, gauge, gate, disc, curb cock, stopcock, meter, or other regulator, operating or measuring device, or appliance in or attached to the tanks, conduits, pipes, mains, service pipes, house pipes, or other pipes or apparatus of a sewage disposal company, with intent to interfere with the flow of sewage, or to injure or destroy such property. No person shall tap, sever, open, or make unauthorized connections with a main or pipe used or intended for the transmission of sewage.