The U.S. Court of Appeals for the D.C. Circuit on May 16, 2025, clarified the conditions under which a state waives its Clean Water Act (CWA) Section 401 water quality certification (WQC) authority. In Village of Morrisville...more
On November 21, 2024, the Federal Energy Regulatory Commission (“FERC”) issued a final rule establishing a categorical one-year “reasonable period of time” for certifying authorities to act on requests for water quality...more
On April 6, 2022, by a 5-4 vote in the case of Louisiana, et. al. v. American Rivers, et. al., the Supreme Court temporarily resurrected a Trump-era rule that sought to stop the practice of many states and tribes from...more
The U.S. Environmental Protection Agency (EPA) recently announced the rollout of its new Clean Water Act Section 401 Guidance for Federal Agencies, States and Authorized Tribes which replaces an April 2010 Interim Guidance...more