Sec. 9-1.16.   Designation and marking of certain areas.
   (a)   Authorized. The Board, by resolution, as to water under its jurisdiction, and the authorized representative of any other public agency, as to water under its jurisdiction, may designate and cause to be appropriately marked boat launching areas, areas designed exclusively for swimming, areas where swimming is prohibited, areas where boats are prohibited, areas of restricted speed, or emergency areas and may designate boating and personnel control signs and devices and change the same from time to time as the public safety and welfare require.  When so marked, it shall be unlawful for any person to fail to comply with such designations. Such designations shall be reported to the United States Corps of Engineers for notification to mariners.
   (b)   Boating on Putah Creek. It shall be unlawful for any person to operate any vessel in the waters of Putah Creek westerly of County Road 86 at such times that:
   (1)   The flow of water at Monticello Dam exceeds the rate of 750 cubic feet per second; and
   (2)   Control signs or devices prohibiting boating are posted at the Putah Creek Fishing Access Area.
   For the purposes of this subsection, “vessel” is defined as set forth in subsection (c)of Section 651 of the Harbors and Navigations Code of the State.
   (c)   Signs. The Director of Parks shall cause control signs or devices prohibiting boating to be posted at the Putah Creek Fishing Access Area at such times as the flow of water at Monticello Dam exceeds the rate of 750 cubic feet per second. (§ 27, Ord. 360, as amended by § 1, Ord. 628, eff. February 16, 1970, § 1, Ord. 631, eff. April 29, 1970, and § 1, Ord. 954, eff. June 30, 1983)