EPA & Army Corps requests comments on potential changes to compensatory mitigation regulations

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EPA and Army Corps held a “Pre-Proposal State and Local Government Outreach” meeting on upcoming efforts to review and revise compensatory mitigation regulations Potential changes to compensatory mitigation regulations are relevant to local governments who undertake mitigation as part of road and bridge projects EPA and Army Corps are holding a webinar on compensatory mitigation policies on July 23, 2019 and are accepting comments on potential changes through August 9, 2019

On June 20, the U.S. Environmental Protection Agency (EPA) and the U.S. Army Corps of Engineers (Army Corps) held a “Pre-Proposal State and Local Government Outreach” meeting on their upcoming efforts to review and revise regulations titled “Compensatory Mitigation for Losses of Aquatic Resources,” also known as the Mitigation Rule (40 CFR Part 230, Subpart J and 33 CFR Part 332).

Promulgated jointly by the EPA and the Army Corps in 2008, the Mitigation Rule establishes standards and regulations for compensatory mitigation projects. Compensatory mitigation refers to the restoration, establishment, enhancement and/or preservation of wetlands, streams or other aquatic resources to offset unavoidable adverse impacts to these resources. For example, counties undertaking infrastructure-related projects may be required to “mitigate” if the project impacts wetlands. If the project does not have enough available “wetlands” on site to mitigate, counties may be required to buy mitigation in-lieu fee (ILF) credits through mitigation banks. For more information on these mechanisms, click here to view EPA’s fact sheet.

According to the agencies, this action is tied to the Trump Administration’s Legislative Outline for Rebuilding Infrastructure in America, which outlines the administration’s infrastructure priorities and principles. Specifically, the administration calls on the removal of duplications in the review process for mitigation banking by eliminating the Inter Agency Review Team (IRT). IRT, which includes representatives from EPA, U.S. Fish and Wildlife Service, National Oceanic and Atmospheric Administration (NOAA) Fisheries, the Natural Resources Conversation Service and other federal, state and local agencies as deemed appropriate, is responsible for facilitating the establishment of mitigation banks and ILF program instruments.

Potential changes to compensatory mitgation regulations are relevant to local governments as we frequently undertake mitigation as part of road and bridge projects. With counties owning and managing 46 percent of the nation’s road miles and 38 percent of the nation’s bridges, counties are often required to mitigate against environmental impacts to receive federal permits.

During the consultation, EPA and Army Corps provided a detailed PowerPoint presentation, which reviewed the current Mitigation Rule and outlined potential changes for consideration. The agencies are specifically looking for feedback on the following:

  • Whether the Interagency Review Team (IRT) process should be eliminated or modified;
  • Whether other administrative changes are needed to improve mitigation bank and in-lieu fee program review process;
  • Whether changes need to be made to the requirements associated with ILF program accounts;
  • Whether clarity is needed to facilitate multipurpose compensation projects;
  • Whether changes are needed to accommodate State/Tribal assumption of the Section 404 program; and
  • Approaches to quantify stream mitigation credits that better reflect the total amount of stream ecosystem restored, enhanced or preserved in rivers and larger streams, and stream-wetland complexes, while maximizing available credits and opportunities for larger compensatory mitigation projects within a given watershed. 

The agencies are seeking feedback on how such changes might impact state and local governments and any recommendations while the agencies develop a new proposed rule. EPA and Army Corps are accepting pre-proposal comments through August 9, 2019. Comments can be submitted to and copied to

In addition to soliciting comments, EPA and Army Corps will be holding a webinar for state and local governments on the Compensatory Mitigation Rule on July 23, 2019. You can register for the webinar by clicking here.

About Zach George (Full Bio)

Legislative Assistant

Zach George joined NACo in March 2016 and serves as a Legislative Assistant. He is responsible for writing and editing blog articles, conducting legislative research and providing legislative support for Environment, Energy and Land Use; Transportation; Telecommunications and Technology; and the Gulf Coast Counties and Parishes Coalition.

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