The County’s Community Warning System is designed to notify the
public in case of toxic spills, floods, fires and other
disasters. There are sirens installed near plants from Oakley
to Richmond. They are clearly audible one mile away from the
plants signaling people to go inside and listen to the radio and
television for instructions. Money for the system was raised by
voluntary contributions from industry and water treatment and
wastewater treatment plants that handle hazardous chemicals. The
system is operated by the County.
Emergency officials use a number of tools to alert you, including
radio and TV, phone calls from the TENS (computerized telephone
system that warns residents of a problem in their area) and the
public can register for cell and pager email alerts at
Incident.com. You can also buy a weather radio and program it to
receive the emergency alerts. Instructions can be found here.
Siren testing is scheduled for the first Wednesday of each month
at 11:00 a.m. For more information about the “Shelter, Shut &
Listen” response, call (925) 313-9622.