San Francisco water . Company andthe city specified that at least twenty-fourmillion gallons daily should be , for economic reasons, all of thestructures have been built to carry more thanthis amount of water. The controlling factor on the delivery ofthe supply from Calaveras to Crystal Springsis the capacity of a pumping station which isbeing built near Ravenswood in San MateoCounty for the purpose of pumping the waterthrough Pulgas Tunnel into Crystal SpringsReservoir. Originally this station was designed topump twenty-four million gallons daily, butin view of the fact that
San Francisco water . Company andthe city specified that at least twenty-fourmillion gallons daily should be , for economic reasons, all of thestructures have been built to carry more thanthis amount of water. The controlling factor on the delivery ofthe supply from Calaveras to Crystal Springsis the capacity of a pumping station which isbeing built near Ravenswood in San MateoCounty for the purpose of pumping the waterthrough Pulgas Tunnel into Crystal SpringsReservoir. Originally this station was designed topump twenty-four million gallons daily, butin view of the fact that the remainder of thetransmission system had a capacity far inexcess of this, it was decided to install suffi-cient capacity to pump thirty-two milliongallons daily. The construction of Calaveras Reservoir,together with improvements made during thelast year in the Livermore Valley, which in-creased the productivity of the subterraneansources owned by the Company in LivermoreValley to about double their former capacity,. Cross-section of Calaveras Dam, one outline showing the dam as now completed to an elevation of 775 feet, and K>;elevation of Calaveras Dam (775 feet), Calaveras Reservoir impounds more than thirty-two billion gallons of w « of 810 feet, the reservoir will impoi 1 January, 1925 SAN FRANCISCO WATER
Size: 2421px × 1032px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectwatersupply, bookyear
