Service Area and Election Divisions
The District’s present service area includes all of the city of Diamond Bar, portions of the cities of Industry, Pomona, Walnut, and West Covina, and the easterly section of the unincorporated area of Rowland Heights. The District has five separate election divisions, each represented by a director residing in, and elected by, the voters of the division. The District is located approximately 20 miles east of Los Angeles in the San Gabriel Valley, encompassing an area of approximately 29 square miles.