State Oversight Resources and Guidance Documents

• General
• Clean Air Act (CAA)
• Clean Water Act (CWA)
• Federal Insecticide, Fungicide and Rodenticide Act (FIFRA)
• Resource Conservation and Recovery Act (RCRA)
• Toxic Substances Control Act (TSCA)

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General

• Principles and Best Practices for Oversight of Federal Environmental Programs (pdf) (247.09 KB, February 17, 2023)
  This memorandum issued by Administrator Michael S. Regan reaffirms the core principles of State/EPA collaboration and partnership and adds the foundational principal of advancing environmental justice and equity as it applies to oversight of State implementation of federal environmental programs. This memo formally rescinds and replaces the October 30, 2018 memo entitled “Principles and Best Practices for Oversight of Federal Environmental Programs by States and Tribes” (2018).
• Effective Partnerships Between the EPA and The States in Civil Enforcement and Compliance Assurance Work (pdf) (332.98 KB)
• Oversight of State and Local Penalty Assessments: Revisions to the Policy Framework for State/EPA Agreements - 1993 Memorandum from Steven A. Herman, Assistant Administrator for Office of Enforcement
• Revised Policy Framework for State/EPA Enforcement Agreements - 1986 Memorandum issued by James A. Barnes, Deputy Administrator
• EPA Policy on Oversight of Delegated Environmental Programs - 1984 Memorandum issued by William D. Ruckelshaus, Administrator

Multimedia

• Enforcement Response Policies

Clean Air Act (CAA)

• CAA Section 112(r) Combined Enforcement Policy
• CAA Area Sources Policy
• CAA Stack Testing Guidance
• The Air Facility System Business Rules Compendium

Stationary Sources

• CAA Stationary Source Compliance Monitoring Strategy
• CAA Stationary Source – Air Facility System Data Requirements
• Guidance on Federally-Reportable Violations for Stationary Air Sources
• Clarification Regarding Federally-Reportable Violations for Stationary Air Sources
• Revised Timely and Appropriate (T and A) Enforcement Response to High Priority Violations (HPVs) Policy​

Clean Water Act (CWA)

National Pollutant Discharge Elimination System (NPDES) Program

• Memorandum of Agreements Between EPA and States Authorized to Implement the NPDES Program
• NPDES Permit Writer's Manual
• CWA NPDES – Integrated Compliance Information System (ICIS) and Permit Compliance System
• CWA NPDES ICIS Addendum Data Elements Attachment
• CWA NPDES Compliance Monitoring Strategy
• CWA NPDES Enforcement Management System (EMS)
• CWA Inspection Conclusion Form with Single Event Violation Table
• Majors Rating Sheet -- EPA Guidance for Evaluating and Designating CWA NPDES Facilities as Majors (PDF) (45pp, 3.1MB, About PDF)

Permit Compliance System (PCS)

• PCS Quality Assurance Guidance Manual
• PCS Policy Statement (Original Without Amendments) (PDF) (12pp, 781K, About PDF)

Significant Noncompliance (SNC)

• September 21, 1995 Memo from Steve Herman Extending Significant Noncompliance definition for non-monthly average limits
• Clarification of NPDES EMS Guidance on Timely and Appropriate Response to SNC Violations
• Interim Significant Noncompliance Policy for Clean Water Act Violations Associated with Combined Sewer Overflows, Sanitary Sewer Overflows, Concentrated Animal Feeding Operations, and Storm Water Point Sources

Single Event Violations Data Entry

• PCS Single Event Data Entry Guide
• Data Entry Technical Update for PCS Single Event Violations (in regard to entering lead agency and violation end dates)
• Single Event Violations - Data Entry Requirements Memo to EPA Regions
• ICIS-NPDES Single Event Violation Guide
• Single Event Violation and Wet Weather SNC Data Entry Flow

Federal Insecticide, Fungicide and Rodenticide Act (FIFRA)

• Fiscal Year 2022-2025 FIFRA Cooperative Agreement Guidance
• Fiscal Year 2018 - 2021 FIFRA Cooperative Agreement Guidance
• Fiscal Year 2015 - 2017 FIFRA Cooperative Agreement Guidance
• Fiscal Year 2011 thru 2013 Joint OPP/OECA FIFRA Cooperative Agreement Guidance
• Extension of the FY 2011-2013 Joint OPP/OECA Cooperative Agreement Guidance
• FIFRA State Primacy Enforcement Responsibilities: Final Interpretive Rule
• Procedures Governing the Rescission of State Primary Enforcement Responsibility for Pesticide Use Violations
• Worker Protection Standard Agricultural Inspection Guidance
• FIFRA Inspection Manual
• FIFRA Compliance Monitoring Strategy
• FIFRA Project Officers Manual

Resource Conservation and Recovery Act (RCRA)

• Linking Enforcement Actions to Significant Non-Complier (SNY) Determinations
• Compliance Monitoring Strategy for the RCRA Subtitle C Program
• 2008 National Program Manager Guidance (RCRA begins on page 48)
• Guidance for RCRA Core Large Quantity Generator Pilot Projects
• RCRA Civil Enforcement Response Policy
• RCRAInfo Data Appendix for the 2003 Enforcement Response Policy
• Example Data Entry Flow Chart with Timing for Entering RCRAInfo inspections/violation/SNC/enforcement
• RCRA Civil Penalty Policy
• Revised Penalty Matrices for the RCRA Civil Penalty Policy

Toxic Substances Control Act (TSCA)

• TSCA Compliance Monitoring Strategy

• Toxic Substances Compliance Monitoring Grant Guidance