Laws & Regulations

Report: Management Implication Report: The EPA Did Not Properly and Timely Disclose Fraud in its Programs and Operations

Primary National Ambient Air Quality Standards (NAAQS) for Nitrogen Dioxide

learn about the primary nitrogen dioxide naaqs standards by reading the rule summary, the rule history, additional documents and fact sheets

Primary National Ambient Air Quality Standard (NAAQS) for Sulfur Dioxide

Learn about the 2011 primary NAAQS standards for sulfur dioxide by reading the rule summary, rule history, fact sheets and other additional documents

MPRSA Special Permits

Special permits under the MPRSA may be issued by the EPA for ocean dumping of specific materials. Examples of activities permitted under MPRSA special permits are provided.

Report: Management Implication Report: Some States Failed to Conduct Required Financial Audits of Their State Revolving Funds

Management Implication Report: Some States Failed to Conduct Required Financial Audits of Their State Revolving Funds

Retrieving and Printing NSCEP Publications

The details of how to obtain documents available through the National Service Center for Environmental Publications (NSCEP), whether ordered online, or by other channels are covered.

Report: The EPA Needs to Improve the Verification of Land-Use Controls at Resource Conservation and Recovery Act Corrective Action Facilities

Report: The EPA Awarded WIIN Act Funds Consistent with Nearly All Guidance and Improved Its Processes to Increase Transparency of Funding Decisions

Report: Most States Did Not Provide Some Required Fee Information in the Intended Use Plan or Annual Report for Their Clean Water State Revolving Funds

Report: The CSB Complied with Improper Payment Requirements in Fiscal Year 2023

Schedule a Pre-Application Meeting for a Clean Air Act Permit in Region 8

Scheduling a Pre-Application Meeting for CAA permits in EPA Region 8, for 27 Tribal Nations in Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming.

Report: Inadequate Execution of the 7th DWINSA Lead Service Line Questionnaire Led to Flawed Data Being Used to Allot Lead Service Line Replacement Funds

Report: Management Implication Report: Poor Data Management Hinders Oversight of State Clean and Drinking Water State Revolving Fund Programs

Report: Management Implication Report: Cybersecurity Concerns Related to Drinking Water Systems

Report: U.S. Chemical Safety and Hazard Investigation Board Fiscal Years 2024 and 2023 Financial Statement Audit Controls

U.S. Chemical Safety and Hazard Investigation Board Fiscal Years 2024 and 2023 Financial Statement Audit

Final NPDES Permit for San German Wastewater Treatment Plant in San German, Puerto Rico

EPA's NPDES wastewater permit for the San Germán Wastewater Treatment Plant in Puerto Rico.

Semiannual Report: The EPA Should Improve Monitoring of 2022 Clean School Bus Rebate Recipients’ Use of Funds and Deployment of Buses and Infrastructure

Final NPDES Permit for San Sebastian (New) Wastewater Treatment Plant in San Sebastian, Puerto Rico

EPA's NPDES wastewater permit for the San Sebastian Wastewater Treatment Plant in San Sebastian, Puerto Rico.

EPA Regional Office and State Indoor Air Quality Information

Contact information about your region, your state or territory relating to indoor air quality issues

Report: The EPA Should Improve Monitoring of 2022 Clean School Bus Rebate Recipients’ Use of Funds and Deployment of Buses and Infrastructure

The EPA Should Improve Monitoring of 2022 Clean School Bus Rebate Recipients’ Use of Funds and Deployment of Buses and Infrastructure