US Environmental Protection Agency

About the Office of Enforcement and Compliance Assurance (OECA)

What We Do

The Office of Enforcement and Compliance Assurance (OECA) goes after pollution problems that impact American communities through vigorous civil and criminal enforcement. Our enforcement activities target the most serious water, air and chemical hazards. 

OECA is building on our relationship with states and tribal partners to make sure we are delivering on our shared commitment to a clean and healthy environment.

Through improved transparency, advanced technologies and community participation, we are empowering the public to help us assure compliance nationwide, and to level the playing field for those entities that follow the law.

Office of Site Remediation Enforcement (OSRE)

What We Do

EPA's cleanup enforcement program protects human health and the environment by getting those responsible for a hazardous waste site to either clean up or reimburse EPA for its cleanup. EPA uses a number of cleanup authorities independently and in combination to address specific cleanup situations. The Office of Site Remediation Enforcement manages the enforcement of EPA's national hazardous waste cleanup programs:

  • Superfund (officially known as the Comprehensive Environmental Response, Compensation, and Liability Act),
  • corrective action under the Resource Conservation and Recovery Act (RCRA),
  • the Oil Pollution Act (OPA), and
  • underground storage tanks (UST).

Programs and Projects Managed by the Office of Site Remediation Enforcement