Water Supply Engineering

artesian assumed average bottom capacity capita per day cent center of pressure cities coefficient concrete construction cost crest critical depth cross section curve determined diameter discharge distance drawdown drill effect effective size engineer equipment equivalent pipe evaporation factors feet formula friction gallons gates gravel ground water head loss hole hydraulic grade line Hydraulic Jump impervious inches inches of mercury intake Jour length loss of head material maximum Mean Annual Rainfall meters method motor nozzle open channels orifice population porosity precipitation pressure pumping station rate of flow rate of water reservoir rock runoff sand screen shown in Fig slope solution spillway steel storage stratum structure surface runoff Survey temperature tion Trans TYPE Mean Annual U.S. Geol U.S. Geological Survey underground usually valve velocity vertical water consumption Water Supply Paper water surface waterworks weir YASHICHI