Laws & Regulations

Part 231: Section 404(c) Procedures under CWA

The procedures to be followed by the EPA in prohibiting or withdrawing the specification of any defined area as a disposal site for dredged or fill material pursuant to section 404(c) of the Clean Water Act.

Wetlands Mitigation in Alaska

Wetland Mitigation in Alaska MOA between EPA and Army

What Does Compensatory Mitigation Mean under CWA Section 404?

Definitions of methods of mitigation compensation: restoration, re-establishment, rehabilitation, establishment, enhancement and preservation.

Types of Mitigation under CWA Section 404: Avoidance, Minimization and Compensatory Mitigation

The Council on Environmental Quality has defined mitigation in its implementing regulations for the National Environmental Policy Act to include avoiding, minimizing, rectifying, reducing over time, and compensating for impacts.

Mechanisms for Providing Compensatory Mitigation under CWA Section 404

Definitions of compensatory mitigation mechanisms: mitigation bank, in-lieu fee program and permittee-responsible mitigation.

Background on 2008 Compensatory Mitigation Rulemaking under CWA Section 404

In 2008 EPA and the Corps issued revised regulations governing compensatory mitigation for authorized impacts to wetlands, streams, and other waters of the U.S. under Section 404 of the Clean Water Act.

National Guidance: Wetlands and Non-Point Source Control (1990)

Information and guidance on the coordination of State and Federal Non-Point Source (CWA, Section 319) control and wetland programs (CWA, Section 404)and the implementation of activities that can benefit both programs

Historic Compensatory Mitigation Guidance under CWA Section 404

This page contains links to historic compensatory mitigation guidance which has been superceded by the April 10, 2008 EPA/U.S. Army Corps of Engineers Compensatory Mitigation Regulations.

Model Mitigation Plan Checklist for CWA Section 404 Permit Applicants

A technical guide for Clean Water Act (CWA) Section 404 permit applicants preparing compensatory mitigation plans providing a basic framework to improve predictability and consistency.

Memorandum to the Field on Adaptation of National Research Council Compensatory Mitigation Guidelines under CWA Section 404

Model "Operational Guidelines for Creating or Restoring Wetlands that are Ecologically Self-Sustaining" for aquatic resource impacts. Guidelines for identifying the basic requirements for mitigation success and assist in mitigation site selection.

EPA and U.S. Army Corps Memorandum on CWA Section 404 Requirements and Coal Mining Operations

Memoramdum for the field reiterating the fair and consistent application of Clean Water Act Section 404 permitting requirements for proposed coal mining activites in waters of the United States.

Memorandum: Clean Water Act Section 404 Regulatory Program and Agricultural Activities

Memorandum from 1990 concerning the applicability of the Clean Water Act Section 404 regulatory program to agriculture.

1992 CWA Section 404(q) Memorandum of Agreement: Interagency Questions and Answers

Interagency Questions and Answers concerning the 1992 404(q) Memoranda of Agreements.

Memorandum of Agreement: Exemptions Under Section 404(f) of the Clean Water Act

Memorandum of Agreement between the Department of the Army and the Environmental Protection Agency Concerning the Determination of the Section 404 Program and the Application of the Exemptions Under Section 404(F) of the Clean Water Act

CWA 404(q) Memorandum of Agreement for Resolving Disputes (1992)

In August 1992, Army and EPA released a Section 404(q) Memorandum of Agreement (MOA) that outlines the current process and time frames for resolving disputes, in an effort to issue timely permit decisions.

CWA Section 404(q): Memorandum of Agreement between EPA and Department of the Army (Signed Document)

Memorandum of agreement between the EPA and the Department of the Army on Section 404(q) of the Clean Water Act.

Administration Endorses Rule to Protect America's Wetlands (April 2001)

Press release from April 16, 2001, announcing action protecting wetlands by moving forward with a rule clarifying what discharges are subject to environmental review under the Clean Water Act.

Draft UIC Class VI Geologic Carbon Sequestration Permit - Carbon Storage Solutions, Front Range 1-1, Weld County, Colorado

Class VI Permit Proposal

• Comments Due Date: April 28, 2026
• Geographic Locations: Colorado, Rocky Mountains

Nationwide Survey of EPCRA Implementing Agencies

These 2008 and 1999 surveys track the progress of LEPCs by assessing their current activity; and probe current practices and preferences regarding issues such as communication, accident prevention, and Office of Emergency Management products and services.

Human Health - water ingestion only Fact Sheet for Methyl methacrylate: (Human Health - water ingestion only), New York State Department of Environmental Conservation

Methyl methacrylate summary of information, derivation of value and references