Public Water-supplies: Requirements, Resources, and the Construction of Works

algæ amount aqueduct arrangement artesian average bacteria basins capacity cast-iron cent chemical cholera cities coagulant concrete considerable construction consumption cost Croton Dam depth determined diameter disease drains economical effect efficiency effluent Electrolysis embankment Engineering estimated evaporation experiments feet filtered water filtration flow formula friction gallons gravel ground-water hydrants hydraulic impervious inches increase iron joints Jour layer less loss of head masonry material maximum meters method miles million gallons operation ordinary organic matter percolation pipe pipe-line placed plant pollution porosity porous pounds pressure Proc pumps purification quantity rainfall readily Record reservoir River riveted sedimentation sewage slope slow sand filter soil square mile stand-pipe steel stratum streams Sudbury River supply surface Table tank thickness tion Trans turbidity typhoid typhoid fever usually valve various velocity W. W. Assn Water Purification Water-supply Water-works weight weir