Important:

Red Flag Warning for parts of the East Bay starting 11PM Tuesday 8/17 night and lasting until Wednesday 8/18 at 3PM.

Wastewater Engineering Management Division

To Report Emergencies and Sewer Overflows, Call 311

Jimmy Mach

Engineer, Civil Principal
Public Works
Email
510-238-3303

Wen Chen

Engineer, Civil Supervising (Office)
Public Works
Email

David Ng

Engineer, Civil Supervising (Office)
City of Oakland
Email
510-238-7267