Apply for a Hazardous Waste Identification Number
Federal (EPA) ID Number
Generating more than 220 pounds (100 kg) of RCRA hazardous waste and/or 2.2 pounds (1 kg) of acutely hazardous waste per calendar month.
State ID Number
Generating less than 220 pounds (100 kg) of RCRA hazardous waste and/or 2.2 pounds (1 kg) of RCRA acutely hazardous waste per month, and any amount of a non-RCRA hazardous waste.
Permanent Federal (EPA) ID
Issued to people or businesses who routinely generate or handle hazardous waste.
Temporary Federal (EPA) ID
Issued to people or businesses who don’t normally handle hazardous waste.
Valid for 90 days.
Permanent State ID
Issued to people or businesses who routinely generate or handle hazardous waste.
Temporary State ID
Issued to people or businesses who don’t normally handle hazardous waste.
Valid for 90 days.
For more information call 1-800-618-6942.
How Do I…
Reactivate An
ID Number
Inactivate An
ID Number
Update An
ID Number
Find Out What ID
Number I Need
Connect / Contact Us
Office Locations / Map
Sign up for an E-List
Regulatory Assistance Officers
Statewide Campaigns/Alerts
Report an Environmental Concern
Amber Alert
California Grants Portal
Register to Vote
Save Our Water.com