[WEBINAR] Fairly (or Unfairly?) Traceable: Are Discharges Through Groundwater Subject to the Clean Water Act?
California’s regulatory authority over “waters of the state” continues to grow even as the federal definition of “Waters of the United States” (WOTUS) narrows under shifting legal and regulatory frameworks. In Sackett v. EPA...more
On March 4, 2025, the U.S. Supreme Court issued a ruling that prohibits the U.S. Environmental Protection Agency (“EPA” or “the Agency”) from setting qualitative limits based on the condition of the “receiving waters” that...more
Section 404 of the Clean Water Act of 1972, 33 U.S.C. Section 1251 et seq., prohibits the discharge of dredged or fill material into “navigable waters” without a permit. Section 502(7) of that act defines “navigable waters”...more
On August 30, 2021, a federal court in Arizona struck down the Trump WOTUS rule, citing the serious errors in enacting the rule, as well as the serious environmental harm that it has caused....more
On August 30, 2021, the U.S. District Court for the District of Arizona vacated the April 2020 Navigable Waters Protection Rule in which the Trump Administration revised the definition of Waters of the United States (WOTUS)....more