Mealey's (October 27, 2020, 12:46 PM EDT) -- SAN FRANCISCO — The Ninth Circuit U.S. Court of Appeals on Oct. 26 ruled that the United States had not waived its sovereign immunity under the McCarran Amendment in litigation involving groundwater rights in California’s Santa Maria Valley (San Luis Obispo Coastkeeper, et al. v. U.S. Department of the Interior, et al., No. 19-16655, 9th Cir., 2020 U.S. App. LEXIS 33650)....