To promote community health, comfort and prosperity by the effective and continuous control of disease-carrying and pest mosquitoes. To accomplish this mission, the District conducts surveillance of mosquitoes and mosquito-borne diseases; controls mosquitoes with suitable insecticides, natural predators and the elimination of mosquito producing sources; and promotes public awareness.  Legal authority for the formation and powers of the District and its function is found in the California Health and Safety Code Sections 2000 et seq.