impacts of: (1) flooding two whitewater runs (Electra and Middle Bar); (2) destroying the historic Middle Bar Bridge and (3) inundating a stand of black willow trees that were important to the culture of the native Miwok people. After reviewing the ruling, EBMUD announced in December, 2011, that it had dropped plans for a new dam on the Mokelumne River, and would work with CCWD on expanding Los Vaqueros. Notes See also Camanche Dam Pardee Dam Los Vaqueros Reservoir References External links Government of Alameda County, California Government of Contra Costa County, California Water in California Water companies of the United States Water management authorities in California Public utilities of the United States Sewage treatment plants in California Special districts of California Government in the San Francisco Bay Area Organizations based in Oakland, California 1923 establishments in California Government agencies established in 1923