Laws & Regulations

Availability of Emission Offset Credits from Cinergy's Noblesville Station

This document may be of assistance in applying the New Source Review (NSR) air permitting regulations including the Prevention of Significant Deterioration (PSD) requirements. This document is part of the NSR Policy and Guidance Database.

Applicability Determination Regarding the Proposed Replacement and Reconfiguration of the High Pressure Section of Two Steam Turbines at Detroit Edison's Monroe Power Plant

This document may be of assistance in applying the New Source Review (NSR) air permitting regulations including the Prevention of Significant Deterioration (PSD) requirements. This document is part of the NSR Policy and Guidance Database. Some documents in

Replacement Units (Under the 2003 Rule)

Explanation of Replacement Units

Categories with 100 TPY PSD Major Source Threshold

Explanation of 28 Prevention of Significant Deterioration (PSD) Source Categories

Superfund Landowner Liability Protections

Provides information on addressing landowner liability protections under Superfund for BFPPs, CPOs, third parties and residential owners and lenders

Kansas SIP: Operating Permits

EPA Approved Kansas Regulations - 40 CFR 52.870

Allotment Memorandum for the Small, Underserved, and Disadvantaged Communities Grants

Attached are the final FY 2018 and FY 2019 Assistance to Small and Disadvantaged Communities grant allotments, authorized under Section 2104 of the Water Infrastructure Improvements for the Nation Act (WIIN Act).

Implementation Documents for Small, Underserved, and Disadvantaged Communities Grant Program

Implementation Document for Assistance for Small and Disadvantaged Communities Drinking Water Grant

List of Enhancements Planned for EMTS v4.2

Provides a list of functionality enhancements planned to be released in EMTS v4.2

Navigable Waters Protection Rule - Federalism and Tribal Consultation

Summary reports for the consultation periods on the step two rulemaking

Extension of Comment Period for the Definition of “Waters of the United States” – Recodification of Pre-existing Rules

Federal Register notice to extend the public comment period for the WOTUS Step One rule to recodify pre-existing rules by 30 days, to September 27.

EPA Completes Dededo Transfer Station Removal Action

U.S. Environmental Protection Agency (EPA) has completed the removal of approximately 31,000 cubic yards of soil contaminated with heavy metals and polychlorinated biphenyls (PCBs) at the Dededo Transfer Station in Guam.

• Release Date: October 6, 2025

NPDES Permit for General Services Administration (GSA) West Heating Plant

Under the National Pollutant Discharge Elimination System permit number DC0000035, General Services Administration (GSA) West Heating Plant is authorized to discharge from a facility to receiving waters named Rock Creek.

Kansas SIP: General Permits

EPA Approved Kansas Regulations - 40 CFR 52.870

Iowa SIP: Holnam, Inc. - Source Specific Orders and Permits

EPA Approved Iowa Regulations - 40 CFR 52.820(d) - Holnam, Inc. - Source Specific Orders and Permits

Iowa SIP: Federally Approved Regulations Polk County

EPA Approved Iowa Regulations - 40 CFR 52.820(c) Federally Approved Regulations Polk County

Iowa SIP: Chapter 2 - Public Records and Fair Information Practices

EPA Approved Iowa Regulations - 40 CFR 52.820(c)

Iowa SIP: Muscatine Power and Water - Source Specific Orders and Permits

EPA Approved Iowa Regulations - 40 CFR 52.820(d) - Muscatine Power and Water - Source Specific Orders and Permits

Evaluation of EPA Efforts to Integrate Pollution Prevention Policy throughout EPA and at Other Federal Agencies

In this evaluation the Agency focused on the Pollution Prevention Act provisions that address integrating pollution prevention (P2) policy into Federal Programs.

Kansas SIP: Nitrogen Oxide Emissions

EPA Approved Kansas Regulations - 40 CFR 52.870