Laws & Regulations

Final Determination - signed April, 1985

Final determination of concerning the Jack Maybank site on Jehossee Island, South Carolina pursuant to Section 404(c) of the Clean Water Act.

Resource Document and Supporting Technical Information for States Developing Maintenance Plans for the 1997 Ozone National Ambient Air Quality Standards (NAAQS)

This page contains the fact sheets for two separate regulations dealing with the nonattainment actions of the 1997 ozone national ambient air quality standards (NAAQS).

2008 Ozone National Ambient Air Quality Standards (NAAQS) Nonattainment Action Documents

This page contains the fact sheets for four separate regulations dealing with the nonattainment actions of the 2008 ozone national ambient air quality standards (NAAQS).

Final Determinations of Attainment by the Attainment Date, Extensions of the Attainment Date, and Reclassification of Several Areas Classified as Serious for the 2008 Ozone Air Quality Standards

EPA issued final actions for six nonattainment areas classified as Moderate for the 2008 ozone National Ambient Air Quality Standards (NAAQS).

Managing Use and Reuse of HFCs and Substitutes

Managing HFC substitutes under the AIM Act

EPA Clean Water Act Compliance Evaluation Inspections at Suncor Energy (USA), Inc. Commerce City Refinery in Commerce City, Colorado

On June 22-24, 2021, representatives from the EPA conducted inspections at the Suncor Energy (USA), Inc. Commerce City Refinery to evaluate the facility’s compliance with Colorado Discharge Permit System (CDPS) Permit No. COS000009 associated with industri

The Benefits of EPA’s Responsible Appliance Disposal (RAD) Program

As a result of their commitments, RAD partners have successfully reduced emissions of ODS and GHGs as well as reduced energy consumption, increased the recycling of durable materials, and ensured the proper handling of hazardous substances.

Method 22 - Visual Determination of Fugitive Emissions

CFR Promulgated Test Method 22 Visual Determination of Fugitive Emissions From Material Sources and Smoke Emissions From Flares

Legislative History Documents Related to Clean Water Act Section 404(g)(1)

Legislative History documents related to Clean Water Act section 404(g)(1), including preambles and Congressional Conference Reports

NACEPT Assumable Waters Subcommittee Documents (March 15-17, 2016)

Presentations covering the legislative and regulatory history of Clean Water Act Section 404(g), meaning of "adjacent" in Section 404(g)(1) , Rivers and Harbors Act Section 10 Case Law, recommendations of the Water Workgroup, among other subjects.

NACEPT Assumable Waters Subcommittee Meeting Summary (December 1-2, 2015)

The purpose of the meeting was to continue the subcommittee's efforts to provide advice and recommendations on how EPA can clarify which waters a State or Tribe assumes permitting responsibility for under an approved Clean Water Act section 404 program.

NACEPT Assumable Waters Subcommittee Meeting Summary (March 15-17, 2016)

The purpose of the meeting was to provide advice and recommendations on how the EPA can best clarify which waters a State or Tribe assumes permitting responsibility for under an approved Clean Water Act section 404 program.

NACEPT Assumable Waters Subcommittee Presentations (December 1-2, 2015)

Presentations covering adjacent wetlands as defined in the Clean Water Act (CWA) and its implementing regulations, state and tribal efforts to implement section 404(g) and the legislative history of CWA section 404 (g) (1).

ECOS, ACWA, ASWM Letter to the Army Corp of Engineers regarding the Assumable Waters Subcommittee under CWA

Letter from the Environmental Council of the States (ECOS), Association of Clean Water Administrators (ACWA), and the Association of State Wetland Managers (ASWM) concerning assumable waters under Clean Water Act Section 404.

Environmental Counsel of the States (ECOS) Letter regarding Assumable Waters under CWA

Environmental Counsel of the States (ECOS) letter to EPA on state or tribal assumption encouraging the EPA to bring clarity and certainty to the identification of assumable and non-assumable waters, should a state assume the 404 program.

NACEPT Assumable Waters Subcommittee Meeting Documents (October 6-7, 2015)

Documents covering state and tribal assumption of the Clean Water Act section 404 program, legislative history of section 404, Federal Advisory Committee Act (FACA) legal requirements, Michigan and New Jersey CWA section 404 programs.

NACEPT Assumable Waters Subcommittee Final Agenda (March 15-17, 2016)

The purpose of this meeting was to begin to continue to develop advice and recommendations on how the EPA can best clarify which waters a State or Tribe assumes permitting responsibility for under an approved Clean Water Act (CWA) section 404 program.