The District of Columbia's highest court upheld the dismissal of a property owner's lawsuit against the D.C. sewer and water authority for pinhole leaks in his apartment buildings'…

The Seventh Circuit upheld a lower court decision that a campground operated as a "public water system" under the SDWA. The court found that the campground had failed to conduct the…

The U.S. Supreme Court held that a government's demand for property from a land use permit application must satisfy the "nexus" and "rough proportionality" requirements of…

The U.S. Supreme Court held that Oklahoma statutes that favor in-state water appropriation permit applicants over out-of-state permit applicants do not violate the Commerce Clause and are not…

A California court validated a settlement agreement and 11 related agreements concerning the conservation, transfer, and exchange of Colorado River water diverted for beneficial consumptive use…

A district court dismissed an environmental group's APA lawsuit against EPA challenging 40 C.F.R. §124.55(b), which pertains to state certification of discharge permits issued by the Agency…

The Eleventh Circuit upheld the dismissal of a Native American tribe's lawsuit challenging the government's management of the Central and Southern Florida Project for Flood Control in…

The Fourth Circuit upheld the U.S. Army Corps of Engineers' decision to issue a CWA §404 fill permit to a surface mine in West Virginia. Environmental groups challenged the permit on two…

A district court dismissed as time barred environmental groups' CWA and APA claims challenging EPA's list of dispersants and other projects that may be used in the event of an oil spill…

The D.C. Circuit upheld a consent decree that established a schedule for EPA to initiate notice-and-comment rulemaking and make a formal decision whether to promulgate a new rule revising certain…