The California Supreme Court denied a petition by the San Diego County Water Authority (SDCWA) September 27 to review an appellate court ruling in a case over rates set by the Los Angeles-based Metropolitan Water District of Southern California, according to the SDCWA website. For years, San Diego water officials argued the region’s major supplier of water, the Metropolitan Water District overcharged to deliver water to San Diego from the Colorado River. On Wednesday, the state Supreme Court declined to take up the case, leaving a lower court ruling siding with Metropolitan in place, according to the San Diego Voice.