It is illegal to spray “silly spring” at parade participants.

9.14.020 Interference with Special Event Prohibited:

It shall be unlawful for any person to interfere with, disrupt or impede a permitted special event as specified herein. The following acts are prohibited by this section when done for the purpose of or with knowledge that an effect thereof is to interfere with or disrupt the ability of the permittee to carry on the special event.

A. To block, obstruct or impede the passage of participants, vehicles or animals in the special event along the special event route;

B. When not participating in the special event with the permission of the permittee holder, to walk, run, operate a skateboard, ride any wheeled vehicle or roller-skate through, between, with or among the participants, vehicles or animals in the special event, except in cases of bona fide emergency;

C. To drop, roll, throw, toss, squirt or propel any gaseous, liquid semi-solid or solid substance or object toward or among the participants, vehicles or animals in the special event;

D. To grab, take hold of, strike, hit, pull or push any participant, vehicle or animal in the special event, or to mount any vehicle in the special event, except with the permission of the permittee or in cases of bona fide emergency