Hazardous Waste Generator Identification Number

The EPA requires all hazardous waste generators to register their generator status by obtaining an EPA identification number. This number is used to track waste from generation to ultimate disposal, and beyond. Each institution in the USG must obtain an EPA ID number before treating, storing, disposing, or transporting (or offering for transport) hazardous waste. EPA ID numbers are site-specific numbers assigned to generators, transporters, and TSDFs and need only be obtained once.

Each EPA ID number consists of three letters and nine digits. The first two letters are simply the two-letter abbreviation for the state in which the facility is located. The third letter is either a "D" for facilities with permanent ID numbers or a "T" for a facility with a temporary number. A nine-digit number, uniquely associated with each site, follows the three letters.

EPA ID number