143035_DBW Course_r3

Chapter 2 X Boating Law, Navigational Rules and Navigational Aids

Aquatic Invasive Species Non-native aquatic species—plants, fish and animals—are invading California’s coastal and inland waters. These pests can increase dramatically under the right conditions, displacing native species, clogging waterways, and impacting navigation and recreation. Once introduced, they are nearly impos sible to eliminate. Aquatic invasive species such as Hydrilla, Egeria densa, water hyacinth, quagga and zebra mussels can be accidentally transported by recreational boaters when caught in propellers, intakes or attached to hulls. Controlling these species is a multi-million dollar problem in California. You can help prevent the introduction and spread of non-native species from one body of water to another by cleaning, draining and drying your boat and by taking these steps: ƒ Avoid chopping vegetation with your boat’s propeller. ƒ Inspect your boat and remove aquatic plants or animals before you leave the ramp area or take-out point. ƒ Inspect all exposed surfaces. Small mussels feel like sandpaper to the touch. ƒ Wash the hull of each watercraft thoroughly. ƒ Drain all water and dry all areas including lower outboard unit. ƒ Clean and dry all live-wells, and empty and dry any buckets. ƒ Dispose of all bait in the trash. ƒ Allow your boat to dry completely before traveling to another body of water. Be sure to report new infestations of non-native aquatic species to the California Dept of Fish and Wildlife at 1-866-440-9530 or invasives@wildlife.ca.gov. Visit dbw.parks.ca.gov/StopQZ. A map of locations where quagga and zebra mussels have been found in California is available at wildlife.ca.gov/mussels.


Restrictions on California’s waterways, to prevent the spread of quagga and zebra mussels, are determined by county or local municipalities, and in some cases, the Department of Parks and Recreation. Boaters should check ahead to see whether boat inspections will be required.

Scan QR code for more information on quagga and zebra mussels.


California registered recreational vessels using fresh water bodies within the state are required to display a “Mussel Fee Paid” sticker on the hull next to the current registration sticker. Paying the Mussel Fee does not entitle vessels to bypass inspections or fees for inspections conducted by individual reservoir owners or managers.


California Course for Safe Boating

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