Wastewater Treatment Plant and
5072 Benson Road
P.O. Box 5050 94587-8550
Union City, CA 94587-2508
(510) 477-7501 Fax
Normal Business Hours
(510) 477-7500, press extension 1
The District utilizes
a voice mail system with an automated attendant. The following options
- 0 Receptionist press at any time between 8 a.m. - 5 p.m. Monday
- 1 Overflowing manholes, sewer backups, odor complaints
- 3 Permits, inspections, fees
- 4 Job hotline
- 5 Project bid results
- 8 Directions
- 9 Employee directory (enter last name)
E-mail Union Sanitary
If you have an
emergency or need immediate assistance, call us instead at (510)
477-7500. We answer our phones 24/7/365.
The ContactUSD email is
not for solicitation purposes (see how to do business with USD by
If you request a response through the ContactUSD email, we
will respond within 3 business days. PLEASE NOTE: The
ContactUSD email account is NOT monitored on weekends or holidays.
Current Job Openings
Please go to our Employment page
and scroll down to find job openings.
Visit Our Offices
||Find information about public transit
options at 511 SF Bay
south on Interstate 880: Exit at Whipple Road (before
the large shopping center marquees). At the end of the ramp,
continue straight through the intersection (west) on Whipple
left on Union City Blvd. Turn right on Bettencourt Way and
continue until it dead ends. Turn left on Whipple Road. Follow
it around the curve and it turns into Benson Road. Continue
straight into the visitor parking lot.
north on Interstate 880: Take Interstate 880 north
to Union City. Exit at Alvarado Niles Road and go left at
the end of the off-ramp (west). The road narrows down and
turns into Smith Street.
right on Union City Blvd. Turn left on Bettencourt Way (first
stoplight) and continue until it dead ends. Turn left on Whipple
Road. Follow it around the curve and it turns into Benson
Road. Continue straight into the visitor parking lot.