571—40.28 (462A) Black Hawk Lake, Sac County—zoned areas.
	 40.28(1) No motorboat shall operate at a speed which will create a wake within the zoned area marked by the regulatory buoys. The zoned area shall be the area commonly known as Town Bay on the northwest corner of Black Hawk Lake in Sac County.
	 40.28(2) Areas may be specifically designated for swimming by the use of regulatory buoys.