Contra Costa CWS
@CoCoCWS
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The Community Warning System (CWS) is the all-hazard public warning notification system for Contra Costa County.
Contra Costa County, CA
Joined April 2009
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PLEASE BE AWARE- MARTINEZ REFINERY IS CURRENTLY EXPERIENCING A LARGE FLARING EVENT THAT CAN BE SEEN OFF THE SITE. FIRST RESPONDERS AND HAZMAT ARE ON THE SCENE. NO ACTION FROM THE PUBLIC IS BEING REQUESTED AT THIS TIME.
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Immediate Evacuation on Marsh Creek Road near Deer Valley in Brentwood
This is a message from Cal Fire. Due to fire, an immediate evacuation has been ordered for the residents along Marsh Creek Road between Bragdon Way and Deer Valley Road.
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All-Clear in Tassajara near Findley Road and Morgan Territory Road This is a message from the Contra Costa County [ Msg 1 of 3 ]
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Prepare to Evacuate near Finley Road and Morgan Territory due to a fast moving fire. This is a message from the Contra [ Msg 1 of 8 ]
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Fire Warning continues through the night on Morgan Territory Road in Danville.
This is a message from Cal Fire. Due to a fire on Mt. Diablo, residents on the upper portion of Morgan Territory Road should prepare to evacuate. No evacuation has been ordered at this time.
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EVACUATION ORDER in CONCORD and BAY POINT due to FIRE. More info at
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Evacuation Order has been lifted in Martinez(46) ()
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Shelter In Place in Richmond near Interstate 80 and Hilltop Road due to chemical fire. More info:
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Evacuation Order and Warnings have been lifted in Crockett for the fires(46) ()
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Evacuation Order has been lifted in Lafayette.(46) ()
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Immediate Evacuation near Camino Diablo and Springbrook Road in Lafayette due to fire(46) ()
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All-Clear in Rodeo, Crockett and Hercules. The emergency at the NuStar facility is over.(40) ()
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Public Health Advisory in Contra Costa County due to smoke from a large fire in Solano County.(47) ()
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There are no active fires burning in Contra Costa County County and no evacuation orders in effect. Napa County sent a WEA stating “Extreme Fire Danger. Stay Alert and leave area if you feel unsafe.” This message was not intended for Contra Costa residents
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Immediate Evacuation on Morgan Territory Road south of Marsh Creek Road in Brentwood
This is a message from Cal Fire. Due to fire, an immediate evacuation has been ordered for the residents along Morgan Territory Road south of Marsh Creek Road.
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Immediate Evacuation near Macalvey Drive in Martinez due to Fire(46) ()
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Road area near Tassajara is cancelled. Please feel free to resume normal activities. [ Msg 3 of 3 ]
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Evacuation Warning due to FIRE near Franklin Canyon Golf Course. Info at
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Shelter in Place for hazardous materials release at Nu Star facility in Crockett and Rodeo(39) ()
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Evacuation orders have been lifted for Morgan Territory and Marsh Creek Road.
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Immediate Evacuation south of Old Tunnel Road in Lafayette due to fire(46) ()
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Evacuation Order had been lifted for south of Highway 24 in Lafayette(46) ()
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Immediate Evacuation in Richmond due to a chemical fire on Highway 80 near Hilltop Drive. More info
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Sheriff's Office and San Ramon Valley Fire Department. The evacuation warning for the Findley Road and Morgan Territory [ Msg 2 of 3 ]
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Immediate Evacuation south of Pomona Street in Crockett due to fire(46) ()
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All-Clear for the fire in HERCULES for more info go to
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Evacuation Order has been lifted in Clayton.(46) ()
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Due to fire, evacuation orders are still in effect for the residents along Morgan Territory Road just south of Marsh Creek Road. Evacuation orders are still in effect for residents on Marsh Creek Road between Bragdon Way and Deer Valley Road .
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New Coronavirus (COVID-19) Health Officer Order for Contra Costa County.(36) ()
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Contra Costa County Stay Home order for COVID-19 extended until at least May 3.(47) ()
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UPDATE: EVACUATION WARNING in CONCORD and BAY POINT due to FIRE. More info at
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Test Test Test-This is only a test of the Twitter connect for CWS Test Test Test-This is only a test of the Twitter connect for CWS
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All Clear in Antioch near James Donlon Blvd and Hummingbird Drive
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Test Test Test-This is only a test of the Twitter connect for CWS Test Test Test-This is only a test of the Twitter connect for CWS
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Public Health Advisory for portions of Richmond, North Richmond and San Pablo(00) ()
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All-Clear in CONCORD and BAY POINT. Info at
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Shelter in place has been lifted in Richmond near Interstate 80 and Hilltop Rd with exceptions. More info:
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PREPARE to EVACUATE in BAY POINT due to FIRE. More info at
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Public Health Advisory in Contra Costa County due to smoke from a large fire in Solano County.(46) ()
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Immediate Evacuation in Oakley along Knightsen Avenue due to fire(46) ()
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Fire Warning on Morgan Territory Road in Danville
This is a message from Cal Fire. Due to a fire on Mt. Diablo, residents on the upper portion of Morgan Territory Road should prepare to evacuate. No evacuation has been ordered at this time.
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Be on the lookout for 2 inmates in the Marsh Creek Area. For info
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All-Clear in San Pablo. More info at
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Heavy smoke in central and south central Contra Costa County due to a fire in Solano County. If you see or smell smoke protect yourself. More info at
(link: )
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CWS DAILY TEST This is a test of the Community Warning System. In the event of an actual emergency, check the CWS [ Msg 1 of 3 ]
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Immediate Evacuation in the Sanders Ranch neighborhood in Moraga due to Fire ()
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Immediate Evacuation in the Summerlake neighborhood in Oakley due to Fire(45) ()
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Immediate Evacuation in HERCULES, Go to for more info
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Lockdown due to Law Enforcement Activity in Antioch near James Donlon Blvd and Hummingbird Drive
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UPDATE: EVACUATION WARNING in CONCORD and BAY POINT due to FIRE. More info
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Missing Person in Danville has been located. More info at .
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website, TV or radio for more information. Please stay off the phone and do not call 9 1 1 unless you have an emergency [ Msg 2 of 3 ]
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Immediate Evacuation in Oakley near Summerlake and Sandmound due to fire. Go to
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Evacuation Order for Oakley fires has been lifted. East Cypress Road reopening for residents(46) ()
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Level 2 Hazardous Material Public Health Advisory from Contra Costa County Health. More info at
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EVACUATION ORDER in SAN PABLO due to a hazardous materials incident. Info at
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Immediate Evacuation along Leon Drive in Clayton due to fire(46) ()
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Shelter in Place due to hazardous chemicals emergency in Oakley. More info at
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Public Health Advisory for Martinez, Pacheco, Concord & Clyde. Go to .
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Lockdown due to Law Enforcement Activity in the Trees neighborhood in Hercules ()
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Avoid the area near Valley Oaks Drive and Stone Valley Road in Alamo due to a sinkhole This is a message from the Contra [ Msg 1 of 5 ]
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All-Clear for all areas in Richmond near Interstate 80 and Hilltop Rd.
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The monthly siren test resounded today at 11:12 am. There are currently no active Community Warning System emergencies in the county.
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Public Health Advisory for parts of Pacheco and Martinez. Info at .
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to report at your location. This is only a TEST. [ Msg 3 of 3 ]
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This is a test of the Community Warning System Facebook page. TEST - No action required.(94) ()
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Accidental Siren Activation in Richmond - No hazardous materials release emergency ()
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Evacuation Warning in Crockett. Evacations for portions of the city. Check (46) ()
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All-Clear in Oakley near Summerlake and Sandmound
This is a message from the Oakley Police Department. The evacuation order for the fire in Oakley has been lifted. Emergency personnel may still be on scene, but it is safe for residents to return home
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Lockdown due to Law Enforcement Activity on part of Kildare Way in Pinole.
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CWS manager test alert(00) ()
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UPDATE - Public Health Advisory remains in effect in parts of Contra Costa County(47) ()
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Immediate Evacuation near Willow Pass Road and Pointsettia Lane in Bay Point due to a Gas Leak. For more info go to
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All Clear in Richmond for the Shelter-in Place due to smoke. For more information please go to:
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Lockdown due to Law Enforcement Activity on Birchwood Drive in Moraga ()
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All Clear in Pittsburg, Jaqueline Fire Area. Please find more information at
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Shelter In Place in Clayton, on Marsh Creek Rd between Morgan Territory and Deer Valley Rd due to fire
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Missing Person in EL SOBRANTE Located. More info at .
This is a message from Contra Costa County Office of the Sheriff. YAN HU has been located. Thank you for your help. Please feel free to resume normal activities.
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Immediate Evacuation in Marsh Creek Springs near Leon Drive and Morgan Territory Rd due to fire(45) ()
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Community Warning System is aware of the incident at the Valero refinery. No protective action in Contra Costa recommended at this time.
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Morgan Territory Rd and Leon Drive are now open. Power will remain off in the area until 9:00 AM tomorrow morning.
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Shelter in Place in Rodeo is All Clear. Please go to for additional information.
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All Clear for the lockdown in Moraga ()
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***MARSH FIRE UPDATE 7/26/18 02:30 PM The Evacuation order is still in place for Marsh Creek Rd between Gill Dr and Morgan Territory Rd. Power is on in the majority of the affected area with the exception of Aspara Drive. Evacuation Shelters are still open in Clayton & Brentwood.
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Lockdown due to Law Enforcement Activity in Rodeo on Harris Avenue.
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