The Westlake Lake Management Association manages the lake and all rules and regulations are established by the association. Rules for boats on the lake are as follows:
No boat that exceeds eighteen feet (18' 0") in overall length or exceeds eight feet six, inches (8' 6") in maximum beam, may be on the Lake. Exceptions are: (a) work boats of Westlake Lake Management Association "WLMA" and of WLMA authorized work contractors, and (b) rowing shells which may exceed the eighteen foot (18' 0") limitation at the written approval of WLMA.
Prohibited completely from the Lake are multi-hulled sailboats, inflatable boats or rafts, wind-surfers, surfboards, jet-skis, motor surfers, standup paddleboards and water skiers. Any such illegal category of watercraft or activity on the Lake will be considered an immediate safety hazard under the Rules.
All power boats must be electrically propelled except for those used by WLMA, any approved boat service concessionaire licensed by WLMA, and the Westlake Yacht Club patrol boat involved with regattas and other sailing activities.