The Franklin County Marine Patrol has several trained Marine Deputies. The Marine patrol, patrols the Snake River and Columbia River. The Snake River patrol area starts at Lyons Ferry to the mouth of the Columbia River.
The Columbia River patrol area starts from the White Bluffs Boat launch to the Sacajaweha state park.
The Franklin County Marine Patrol Boating Mandatory Education
State law requires most operators of motorboats with a 15 horsepower or greater motor to get a boater education card. Boat operators who were born before January 1, 1955, are exempt. Boat operators of other ages are being phased in.