Declares that no person may, during the time periods identified by the commission, lawfully engage in the following activities in rivers and streams, as designated by the commission, where salmon or steelhead spawning occur: (1) Driving motor vehicles on spawning beds;

(2) Using high-powered jet or propeller-driven boats across spawning beds;

(3) Dragging anchors through spawning beds; and

(4) Similar activities capable of disturbing spawning fish or damaging or destroying nests of incubating eggs.

Provides that a violation of this act is a natural resource infraction under chapter 7.84 RCW.