Garden Grove Chemical Spill Incident

Disaster Information Center

Event News & Information

Effective 1841 hrs on Thursday, May 21, 2026, the Orange County Sheriff's Department issued an Evacuation Order (Mandatory) for hazardous a materials (vapor) release.

On Friday, May 22, 2026 at 0607 hrs, additional evacuation orders for impacted areas were launched due to changes in the incident.  At 1116 hrs, the evacuation area was further expanded to the borders listed below.

The following cities are affected by the evacuation orders: Garden Grove, Stanton, Anaheim, Cypress, Westminster, and Buena Park.

Updated Evacuation Order:

Local Law Enforcement has reduced the Evacuation zone to the area between Orangewood, Dale, Garden Grove Blvd. and Knott in response to the ongoing issue in Garden Grove. Check the Public Information Map below for the status of your address.

Public Information Hotline: 714-628-7085

Updates

May 24, 2026

• County of Orange: Shelter Locations in Orange County | Time:2100 | Download the PDF in: Spanish | Vietnamese
• County of Orange: Shelter Locations in Orange County | Time:2015 | Download the PDF in: Spanish | Vietnamese
• OC Registrar of Voters: Garden Grove Evacuees Can Replace, Cast Ballots at Any OC Vote Center
• County of Orange: Garden Grove Hazardous Material Evacuee RV Parking
  Download the PDF in: Spanish | Vietnamese

May 23, 2026

• County of Orange: Shelter Locations in Orange County | Time:0130 | Download the PDF in: Spanish | Vietnamese
• County of Orange: Shelter Locations in Orange County | Time:2145 | Download the PDF in: Spanish | Vietnamese
• County of Orange: Shelter Locations in Orange County | Time:1830 | Download the PDF in: Spanish | Vietnamese
• County of Orange: Shelter Locations in Orange County | Time:1630 | Download the PDF in: Spanish | Vietnamese

May 22, 2026

• County of Orange: Shelter Locations in Orange County | Time:2250 | Download the PDF in: Spanish | Vietnamese
• County of Orange: Shelter Locations in Orange County | Time:1900 | Download the PDF in: Spanish | Vietnamese
• OC Registrar of Voters: Vote Center, Drop Boxes Temporarily Unavailable Due to Garden Grove Emergency Evacuation Orders

Public Information Map

Check the Status of Your Address
Use the interactive map below to find out the current area status of your home or business.

How to use the map:

1. Enter your address into the search bar at the top of the map.
2. Select your address from the dropdown results.
3. The map will zoom to your location and display the current status for that area.

Air Quality

United States Postal Service (USPS) Service Update

Carriers are not delivering to the evacuated areas. Mail may be picked up at the post offices.

Shelters & Care Centers

For more information about Shelters & Care Centers, please go to the OCSD webpage at: https://www.ocsheriff.gov/resources-during-disaster.

Business & Disaster Recovery Resources

• Estimated Disaster Economic Injury Worksheet for Businesses
  • Download and complete the worksheet, then email the completed form to EOCLiaison@ocsheriff.gov.
  • View Press Release: Small Businesses Impacted by Garden Grove Chemical Leak Incident Encouraged to Submit SBA Assistance Worksheet
• Individual Assistance Unit

Impacted Agencies and Jurisdictions

For more information, please visit:

• Orange County Fire Authority Website | X (Twitter) | Instagram
• County of Orange X (Twitter) | Instagram | Facebook
  • Orange County Health Care Agency (OC-HCA) Website
    • CDPH Health Advisory: Information on Methyl Methacrylate (MMA) | Download the PDF in: Vietnamese
    • OC Navigator
      • The OC Navigator is part of the Orange County Behavioral Health System Transformation Innovation Project. The project seeks to help people find and connect with the supportive resources they need in different areas of their life including health, wellbeing and other supportive services.
    • OC Links – (855) 625-4657
      • A mental health crisis can happen to anyone, anywhere, anytime. That’s why OC Links is here to help you or your loved one through an emotional crisis 24 hours a day, 7 days a week. Call us when you need immediate crisis support over the phone. Trained OC Links navigators can also dispatch a mobile crisis team to meet you in person when necessary.
  • Orange County Sheriff's Department Website | X (Twitter) | Facebook
  • Orange County Public Works Website | X (Twitter) | Facebook
  • OC Registrar of Voters Website | X (Twitter) | Facebook
• Cities
  • Anaheim
  • Buena Park
  • Cypress
  • Garden Grove
  • Stanton
  • Westminster