Laws & Regulations

Integrated Iron and Steel Manufacturing: National Emission Standards for Hazardous Air Pollutants

Includes rule history, rule summary, Federal Register citations and additional documents for 40 CFR 63 Subpart FFFFF.

Amending the CWA Section 404 Regulation that Defines the Term "Discharge of Dredged Material"

Amending the Clean Water Act (CWA) section 404 regulation that defines the term "discharge of dredged material"

Modification to Memorandum of Agreement regarding Allocation of Enforcement under CWA Section 404

1994 Modification to 1989 Corps/EPA Enforcement MOA

1990 EPA and Army Corps of Engineers Enforcement Priorities Guidance under CWA Section 404

Document from 1990 providing guidance to EPA Regions and Army Corps of Engineers on enforcement priorities for unauthorized discharges of dredged or fill materials in violation of section 301 of the Clean Water Act (CWA).

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.