The Handbook of Idaho Boating Laws and Responsibilities
The Official Boating Handbook of the Idaho State Parks and Recreation - Web Version
Table of Contents
It is illegal to dump refuse, garbage, or plastics into federally controlled or state waters. Store trash in a container on board, and place it in a proper receptacle on shore.
Federal law requires you to display a 4 x 9-inch placard (sign) on any vessel 26 feet or longer. It must notify passengers and crew about discharge restrictions.