Engineering Division 350 Main Street (310) 524-2357 Monday - Friday 7:30 a.m.- 5:30 p.m. (closed on alternating Fridays) Maintenance Facility 150 Illinois Street (310) 524-2709 Monday - Thursday 6:30 a.m.- 4:00 p.m.Fridays 6:30 a.m.- 3:00 p.m. (closed on alternating Fridays) Water/Wastewater Division400 Lomita Street (310) 524-2742 Monday - Thursday 6:30 a.m.- 4:00 p.m.Fridays 6:30 a.m.- 3:00 p.m. (closed on alternating Fridays)