(a) Except on the waters of Lake Erie and immediately connected harbors and anchorage facilities, any person who rides or attempts to ride upon one or more water skies, a surfboard or similar device, or who engages or attempts to engage in barefoot skiing, and any person who operates a vessel towing a person riding or attempting to ride on one or more water skis, a surfboard or similar device, or engaging or attempting to engage in barefoot skiing, shall confine that activity to the water area within a designated ski zone on all bodies of water whereon a ski zone has been established.
(b) On all bodies of water designated as an open zone, that is, having a combined speed and ski zone, the activities described in subsection (a) hereof shall be confined to the open zone. (ORC 1547.14)