Report: EPA Has Reduced Its Backlog of State Implementation Plans Submitted Prior to 2013 but Continues to Face Challenges in Taking Timely Final Actions on Submitted Plans
Report #21-E-0163, June 14, 2021
Delays in EPA SIP actions increase the risk that state or local air agencies are not implementing plans sufficient to achieve or maintain the NAAQS.
Report Materials
- Report at a Glance (pdf)
- Full Report (pdf)
- Update: EPA Response to Report (pdf)
- Update: IG Comment on EPA Response (pdf)
- Update: EPA Response to Report (second) (pdf)
- Update: IG Comment on EPA Response (second) (pdf)
This report relates to: Project #OA&E-FY20-0125
OIG Independence of EPA
The EPA's Office of Inspector General is a part of the EPA, although Congress provides our funding separate from the agency, to ensure our independence. We were created pursuant to the Inspector General Act of 1978, as amended.
Environmental Protection Agency | Office of Inspector General
1200 Pennsylvania Avenue, N.W. (2410T) | Washington, DC 20460 | 202-566-2391
OIG Hotline: 1-888-546-8740.