Climate-Proofing Our Infrastructure: Building Climate Resilience with the Army Corps of Engineers
On-Demand Webinar | Regulatory Uncertainty and Linear Infrastructure Projects: Where Are We and What’s Ahead?
1 See National Environmental Policy Act Implementing Regulations, 90 Fed. Reg. 29498, 29498 (July 3, 2025) (codified 43 C.F.R. Part 46); Procedures for Implementing NEPA; Processing of Department of the Army Permits, 90 Fed....more
On September 8, U.S. EPA and the Army Corps of Engineers published a final conforming rule amending the definition of “waters of the United States” in response to the U.S. Supreme Court’s recent Sackett decision....more
On December 30, 2022, the U.S. Environmental Protection Agency (EPA) and the U.S. Army Corps of Engineers (collectively Agencies) announced the issuance of a final rule defining “waters of the United States” (WOTUS), a key...more
On December 30, 2022, the U.S. Environmental Protection Agency (EPA), and U.S. Army Corps of Engineers (Corps) announced a joint final rule for the revised definition of the “waters of the United States” (WOTUS). The new rule...more
The U.S. Army Corps of Engineers published its final rule for the Reissuance and Modification of Nationwide Permits in the waning days of the Trump Administration. The final rule reissues and modifies 12 existing nationwide...more
Arguably, the Social Cost of Carbon (SCC) is one of our society’s most important numbers. The SCC is used in all climate decisions and will now be considered in all significant governmental decisions and federal actions. How...more
As reported in a number of our newsletter articles over the past several years, both the Obama Administration, through its Clean Water Rule, and the Trump Administration have pursued major changes to the scope of...more
On January 23, 2020, the Trump Administration issued a final rule revising the definition of “waters of the United States” (WOTUS) under the federal Clean Water Act (CWA). The Navigable Waters Protection Rule narrows the...more
On January 23, 2020, the United States Environmental Protection Agency (“EPA”) and the U.S. Army Corps of Engineers issued the Navigable Waters Protection Rule (the “2020 Rule”), which includes a revised definition of the...more
The United States Environmental Protection Agency (EPA) and the United States Army Corps of Engineers (USACE) recently announced publication of its final Navigable Waters Protection Rule to define "Waters of the United...more
On January 23, 2020, the Environmental Protection Agency and the United States Army Corps of Engineers (the “Agencies”) issued the “Navigable Waters Protection Rule” as the latest attempt to define the phrase “waters of the...more
On January 24, 2020, the Trump Administration’s Environmental Protection Agency (“EPA”) and U.S. Army Corps of Engineers (“Corps”) issued their long awaited “Waters of the United States” rule defining the jurisdictional reach...more
On January 23, 2020, the U.S. Environmental Protection Agency and the Department of the Army announced the finalized Navigable Waters Protection Rule, defining “Waters of the United States” under the Clean Water Act....more
EPA and Army Corps of Engineers Give New Waters of the U.S. Definition - The Environmental Protection Agency and Army Corps of Engineers today issued a final rule with a new definition of “Waters of the United States” that...more
WOTUS Definition Court Challenges Continue - The Environmental Protection Agency and the Army Corps of Engineers published a final rule in the Federal Register that repeals their 2015 Clean Water Rule defining the scope of...more
Seyfarth Synopsis: The Army Corps of Engineers (Corps) and the U.S. Environmental Protection Agency (EPA) published its final rule this week to repeal the 2015 rule that “impermissibly expanded the definition of ‘waters of...more
Seyfarth Synopsis: Continuing the fight over the Obama-era Waters of the United States (WOTUS) Rule, the Natural Resources Defense Council, Inc., the National Wildlife Federation...more
The U.S. Army Corps of Engineers (Corps) on Jan. 6, 2017, published a final rule reissuing its Clean Water Act Nationwide Permits (NWPs) with some modifications (88 Fed. Reg. 1860). The NWP program authorizes streamlined...more
On May 27, 2015, the U.S. Army Corps of Engineers (Corps) and the U.S. Environmental Protection Agency (EPA) (collectively, the “agencies”) issued a final rule revising the regulatory definition of “Waters of the United...more