A California court held that the California Department of Public Health must adopt a final primary drinking water standard for hexavalent chromium. The state legislature commanded the department…

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…

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…

The Ninth Circuit affirmed a lower court's grant of summary judgment in favor of DOI in water districts' lawsuit challenging the agency's management of California's Central Valley Project. The…

A California appellate court upheld the California Department of Water Resources' (DWR's) method for crediting State Water Project (SWP) water recipients with revenues from hydropower generated at…

The Court of Federal Claims dismissed a water district's breach of contract claims against the United States for failing to provide water drainage facilities and services. The district argued that…

A California appellate court affirmed a lower court decision denying a municipal water district's petition challenging a water replenishment district's "water emergency" declaration for California…

A district court upheld a Nevada water engineer ruling allowing a city to change the manner and place of use of surface water rights. A Native American tribe filed a petition challenging the…

A California appellate court affirmed in part and reversed in part a lower court decision approving an agreement between landowners, the Santa Maria Valley Water Conservation District, and local…