Repositories that contain materials related to the water supply of San Francisco.
(Alphabetical order)

California Department of Water Resources (DWR) [awaiting content]
California Historical Society (CHS)
California State Archives (CSA)
California State Library [awaiting content]
Carlo De Ferrari Archive (Toulumne County)
Groveland Yosemite Gateway Museum
Merced County Library
National Archives and Records Administration (NARA) - Pacific Region - San Francisco
Sacramento Archives and Museum Collection Center
San Francisco Public Library (SFPL)
San Francisco Public Utilities Commission (SFPUC):
  »Hetch Hetchy Water & Power - Moccasin Archives
  »SFPUC Archives
Tuolumne County History Center
University of California (UC):
    The Bancroft Library (UC Berkeley)
    Giannnini Foundation of Agricultural Economics Library (UC Berkeley)
    Institute of Governmental Studies Library (IGSL, UC Berkeley)
    Special Collections (UC Davis)
    Water Resources Center Archives (WRCA, UC Berkeley)
Yosemite National Park