Contact
We have a new address! (Effective Feb. 12, 2026)
4005 Port Chicago Highway, Suite 120
Concord, CA 94520
P: 925-655-3200
ccchazmat@cchealth.org
24-hour Hotline for Emergencies Only
P: 925-655-3232
Emergency Information
Health Emergency Information: 1-888-959-9911 or 211
CA Poison Control Hotline: 1-800-222-1222
CDC-INFO Contact Center:
800-232-4636 (800-CDC-INFO)
888-246-2857 (Español)
Community Warning System: Current alerts and sign up for alerts
Public Records
- Records Request Form (PDF)
Hazardous Materials Programs
New Office Location
Effective Feb. 12, 2026, our new office address is:
- 4005 Port Chicago Highway, Suite 120
Concord, CA 94520
At Contra Costa Health, we seek to protect human health and the environment by preventing pollution, increasing process safety knowledge and environmental awareness, responding to incidents, and implementing consistent regulatory compliance and enforcement programs.
Recent News & Incident Reports
Mercury Spill on Martinez Streets
- 5/16 - Health Advisory Lifted After Weeklong Mercury Cleanup in Martinez
- 5/12 - Hazmat Crews Continue Making Progress Cleaning up Mercury from Martinez Streets
- 5/10 - Hazmat Crews Cleaning Up Mercury on Martinez Streets, Including Near Rankin Park
- 5/09 - Spread of Mercury Contamination First Identified at Martinez Amtrak Station Wider than Initially Believed
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