California Department of Toxic Substances Control

Department of the California Environmental Protection Agency, or Cal/EPA, regulates hazardous waste facilities and oversees hazardous waste cleanup sites within California.

Mailing Address:
P.O. Box 806
Sacramento, CA 95812

Berkeley Regional Office:
700 Heinz Avenue Suite 200
Berkeley, CA 94710-2721
Phone: (510)540-2122
Fax: (510)540-3738

Website: Address:1001 I Street
Sacramento, CA 95812-0806Date Updated: 10/23/2013