381.11 WATER SKIING CONFINED TO SKI ZONES.
   (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)