Current Incidents
Emergency Alert: Garden Grove Chemical Incident
UPDATED May 26 @ 7:00 PM: All evacuation orders related to the Garden Grove hazardous materials incident have been lifted.
Unified Command, including Fire, Law Enforcement, EPA, and County Health, has confirmed:
• No chemical leak
• No threat of explosion
• No threat of fire
• No risk to the public
Map Details:
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GREEN shaded area: Repopulation area
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RED line: Road closure on Western Ave. between Chapman Ave.
and Garden Grove Blvd. -
RED circle: Exclusion zone allowing hazardous materials teams to continue monitoring the tanks out of an abundance of caution
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No residents are affected by the exclusion zone.
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For Official Incidents Updates: Follow @OCFireAuthority on X
For Official Shelter & Resource Updates: Visit OC Sheriff's Department Webpage.
Evacuation Shelters
Effective Thursday, May 21, 2026, the Orange County Sheriff's Department issued an Evacuation Order (Mandatory) for a hazardous materials (vapor) release.
On Friday, May 22, 2026, additional evacuation orders for impacted areas were launched due to changes in the incident.
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A number of Evacuation Shelters and Care Centers have been opened across the county to support the impacted community. To find a location, use the button below or call the Public Hotline at 714-628-7085
Hazardous Materials
This incident involves the potential release of hazardous materials into the surrounding community from the GKN Aerospace facility in Garden Grove. The situation remains ongoing as crews continue working to stabilize a failing tank containing methyl methacrylate, a flammable and potentially hazardous chemical.
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Orange County's Medical Officer, Dr. G K, and representatives from the federal EPA and the local Air Quality Management District are actively monitoring air quality around the facility. Currently, they have reported no increase in toxins and that all indicators are normal. Official updates will be posted to OCFA's X Account.
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To learn more about dealing with emergencies involving hazardous materials, click the button below.
OCDA Tip Hotline
The Orange County District Attorney's Office has opened an Anonymous Tip Hotline and is actively seeking the public's assistance with information concerning this incident.
Anyone with information related to the circumstances leading up to this incident may contact the OC District Attorney’s hotline at 714-347-8714, email the office at tipster@ocdistrictattorney.gov, or use the confidential online form below.
