On Lake William C. Bowen it is unlawful to: (1) operate a personal watercraft, specialty propcraft, or vessel in excess of idle speed within one hundred feet of a wharf, dock, bulkhead, or pier or within fifty feet of a moored or anchored vessel or person in the water; (2) waterski and tow rafts, discs, or other similar floating devices upstream and west of the Interstate Highway 26 bridge which crosses over Lake William C. Bowen; (3) pull more than two persons at one time from any boat or to waterski while carrying one or more persons piggyback; (4) operate any boat, watercraft, or any other type of a vessel between midnight and one hour before sunrise.