Laws & Regulations

GHGRP 2021: Supply, Underground Injection, and Geologic Sequestration of Carbon Dioxide

The CO2 Supply and Injection sector consists of CO2 suppliers and facilities that inject CO2 underground, including data from the 2020 Data Highlights.

GHGRP 2022: Supply, Underground Injection, and Geologic Sequestration of Carbon Dioxide

The CO2 Supply and Injection sector consists of CO2 suppliers and facilities that inject CO2 underground, including data from the 2022 Data Highlights.

Request for Coverage Under General Permit for HMA Plants in Indian Country: Knife River Corporation - Mountain West near Pocatello, Idaho on the Fort Hall Reservation

Coverage under the HMA general permit for nife River Corporation - Mountain West near Pocatello, Idaho on the Fort Hall Reservation

WIPP Docket A-93-02

WIPP Docket No. A-93-02 contains information that EPA considered in making its 1998 decision to certify that the Department of Energy had met the compliance criteria established by 40 CFR Part 194 and disposal regulations set by 40 CFR Part 191.

Caithness Long Island, LLC Brookhaven, NY

Under provisions of the Clean Air Act (CAA) EPA Region 2 is proposing to issue a draft PSD permit to Caithness Long Island Energy Center (CLIEC) for the construction and operation of a new 346 MW combined cycle electric generating
facility- Brookhaven, NY

Resources, Tools and Databases about Impaired Waters and TMDLs

A collection of impaired waters and TMDLs resources for both the general public and water resource managers.

CWA-09-2025-0005: Consent Agreement and (Proposed) Final Order; CEMEX Construction Materials Pacific LLC, Wadsworth, Nevada

Proposed administrative penalty settlement with CEMEX Construction Materials, Pacific, LLC, for violations of the Clean Water Act at its facility in Wadsworth, Nevada. EPA Docket No. CWA-09-2025-0005.

Modification of Baselines for Gasoline Produced or Imported for Use in Hawaii, Alaska, and U.S. Territories

This page summarizes the final rule for Modification of Baselines for Gasoline Produced or Imported for Use in Hawaii, Alaska, and U.S. Territories.

Proposed Regulation of Fuels and Fuel Additives: Federal Volatility Control Program in the Denver-Boulder-Greeley-Ft. Collins-Loveland, Colorado, 1997 8-Hour Ozone Nonattainment Area

This notice proposes establishing an applicable standard of 7.8 pounds (psi) Reid vapor pressure under the federal volatility control program, in the Denver-Boulder-Greeley-Ft. Collins-Loveland, Colorado, 1997 8-hour ozone nonattainment area.

Relaxation of Summer Gasoline Volatility Standard for Several Parishes in Louisiana

EPA issued a proposed rule to relax the federal volatility (RVP) standard applicable to gasoline supplied to the 11 Louisiana parishes from 7.8 pounds per square inch (psi) to 9.0 psi during the summer ozone season.

Relaxation of the Summer Gasoline Volatility Standard for Shelby County (Memphis), Tennessee

EPA is taking direct final action to approve a request from the the Middle Tennessee Area for the EPA to relax the Reid Vapor Pressure standard applicable to gasoline introduced into commerce in the summer time for the Middle Tennessee Area.

Transitional and General Opt-out Procedures for Phase II Reformulated Gasoline

EPA is issuing a final rule today to provide revised time periods for states with voluntary reformulated gasoline (RFG) programs to withdraw or opt-out areas from the program.

Modification of the Covered Areas Provision for Reformulated Gasoline - RE: Former Non-attainment Areas

This final rule will expand this provision to allow states to opt into the RFG program for areas which had been previously classified as marginal, moderate, serious, or severe for ozone, but were subsequently redesignated to attainment.

National and California - Removal of Reformulated Gasoline Oxygen Content Requirement and Revision of Commingling Prohibition to Address Non-Oxygenated Reformulated Gasoline

These two rules amend the RFG regulations to remove the oxygen content requirement for RFG.

Regulation of Fuel and Fuel Additives: Removal of Reformulated Gasoline Oxygen Content Requirement

This page summarizes final rule for Removal of Reformulated Gasoline Oxygen Content Requirement.

Regulation of Fuel and Fuel Additives: Refiner and Importer Quality Assurance Requirements for Downstream Oxygenate Blending and Requirements for Disposition of Pipeline Interfaces

This page summarizes the final rule for Refiner and Importer Quality Assurance Requirements for Downstream Oxygenate Blending and Requirements for Disposition of Pipeline Interfaces.