BYRON:
The area to be treated is bordered on the west by Byron Hwy (J4); CA State Highway 4 on the north; Bixler Road and a line extending from the southern end of Newport Drive (along Kellogg Creek)to Camino Diablo on the east; and Camino Diablo from the eastern end to Byron Hwy (J4) on the south.

 

 

 
DISCOVERY BAY:
The area to be treated is bordered on the west by Bixler Road; Lakeshore Circle, Castle Rock Loop to Willow Lake Road and Marina Road and a line extending through Byron Tract to the Old River levee, on the north; Willow Lake Road to Marina Road and Old River or the Contra Costa County border to California Delta Highway 4 on the east; with California Delta Highway 4 on the south.

 

 
MARTINEZ: 
The area to be treated is bordered on the west by the Martinez city limits from the Union Pacific Railroad line to Hilmer Avenue; the Embarcadero Street and the Union Pacific Railroad line on the north; Estudillo Street to Arreba Street on the east side; and Arreba Street and Hilmer Street on the south.