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EPA Certifications

EPA manages several programs that certify technicians, service locations, laboratories or products. The page contains an automatically-generated list of EPA webpages that include the word “certification” in the title. Entries are listed with the most recently updated pages at the top.

NOTE: Some certification programs are delegated to state authorities and/or authorized testing organizations. If you do not find the information you need below, please reach out to your state authority. Find your local authority's contact information in the list of Health and Environmental Agencies of U.S. States and Territories.

Learn About Laboratory Certification for Drinking Water

EPA’s Office of Water Technical Support Center implements the Drinking Water Laboratory Certification Program in partnership with EPA Regions, EPA’s Office of Research and Development, and States.

Section 608 Technician Certification Programs

Provides links to companies that are EPA-approved Section 608 technician certification testing organizations.

Certification and Inspection

Certification and inspection provides homeowners with confidence that their WaterSense labeled home is water-efficient and high-performing.

Certification Systems

The WaterSense Product Certification System outlines the process and procedures for the product certification to ensure that all WaterSense labeled products meet EPA's criteria for efficiency and performance.

Section 608 Technician Certification

Certifications for technicians who maintain, service, repair, or dispose of equipment that could release ozone depleting refrigerants or, after January 1, 2018, substitute refrigerants into the atmosphere.

Refrigerant Recovery and Recycling Equipment Certification

Provides information on requirements for using refrigerant recovery and recycling equipment that is certified by an EPA-approved testing organization.

Checklist for Refrigerant Reclaimers Seeking EPA Certification

Provides a list of the items that companies must submit to the EPA Section 608 Recycling Program Manager in order to be listed as an EPA-certified refrigerant reclaimer.

Annual Certification Data for Vehicles, Engines, and Equipment

This page provides certification data from various engine manufacturers for past and current model years

Options for Tribes to Establish EPA-recognized Certification Programs in Indian country

The 2017 Rule offers three options for tribes to establish valid EPA-recognized/approvable certification programs in Indian country, along with a fourth "opt-out" option.

Third-Party High Performance Building Certifications at EPA

This page contains a list of Third-Party High Performance Building Certifications at EPA.