Frequent Questions

How can I look up or verify an EPA number?

Understanding and verifying EPA identification numbers can be difficult with just the number alone. EPA issues or assigns many different kinds of identification numbers, such as registration numbers for pesticide products or permit numbers for hazardous waste sites, wastewater discharges, air emissions or other environmentally regulated facilities, businesses, or sites. States or local governments may also assign identification numbers under various environmental regulations.

How to Get an EPA ID Number:

For information about ID numbers and how to get them, please see the following frequent question:

Facility ID Number:

If you would like to look up the permit number for a facility or business, you may use the in the Envirofacts database to search by name or ID number.

The Facility Registry System (FRS) is a centrally managed database that identifies facilities, sites or places subject to environmental regulations or of environmental interest.

Pesticide Registration Number:

If you want to search for a registered pesticide product or look up information about a pesticide with a registration number, please see the following frequent question:


Using EPA's Enforcement and Compliance History Online (ECHO) tool, you can look up compliance and enforcement data about a facility, using a Facility ID number.

Product Testing or Endorsement:

In accordance with the Standards of Ethical Conduct for Employees of the Executive Branch (Part 5 Code of Federal Regulations, 2635.702(c)), the EPA does not test or endorse commercial products, services, or enterprises.

You can view Title 5 CFR 2635.702(c) on the US Government Publishing Office Web site.

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