(a) “Dreissenid” are a family of small fresh water mussels specifically the non-native quagga and zebra mussel for the purpose of this article.

(b) “Mussel Fee Exemption” means no fee is due for the Quagga and Zebra Mussel Infestation Prevention Fee.

(c) “Mussel Fee” is the Quagga and Zebra Mussel Infestation Prevention Fee.

(d) “Prevention Plan” is an organized approach to prevent the spread of dreissenid mussels into a defined reservoir and shall include public education, monitoring and inspecting for infestation.

(e) “Quagga Mussel” (Dreissena rostriformis bugensis) is a non-native dreissenid mussel.

(f) “Regional-Scale Dreissenid Mussel Prevention Plan” This plan shall include the impact such as an economic, ecological, recreational and/or other regional impact from a dreissenid mussel infestation in a regional area which involves multiple agencies within that region.

(g) “Reservoir” means a body of water which contains or will contain the water impounded by a dam as defined in Section 6004.5 of the Water Code.

(h) “Mussel Fee Sticker” is an indication of a paid mussel fee and is issued by the Department of Motor Vehicles to be displayed on a registered vessel.

(i) “Zebra Mussel” (Dreissena polymorpha) is a non-native dreissenid mussel.