POL Government Elected Officials Auditor Mary Hull Caballero Charter, Code & Policies City Code & Charter Online Code & Charter Title 19 Chapter 19.16  Rules And Regulations
19.16.365 Interfering with Dumping Snow.

It is unlawful for any person to moor or maintain any vessel or other watercraft at any street end or along or adjacent to any bridge in such position as to interfere with the dumping of snow into the harbor from a bridge or street end when snow is being removed from streets.