Clean Water and how to Get it

00 Small 8vo aeration American amount of water applied average bacterial basins Boston bottom water buildings capacity carbonic acid catchment area cent charge Chemistry chlorine cities clean water coagulant color Construction cost Croton Croton Dam Croton River disinfection East Jersey efficiency Electrical Electrolysis Engineering filtered water filtration fire service flow gallons per day greater ground water ground water supplies growth hygienic impounding reservoirs inches increased iron lakes larger less limestone Loose Leaf Manual material mechanical filters ment meters methods necessary objectionable odors and tastes operation organic matter ozone pipes plant pollution practical present pressure pumping station putrefaction quantity of water reason red-water troubles reduce reservoir waters result river waters runoff sand filters Sanitary secure sedimentation sewage smaller softening soil storage streams sulphate takers tastes and odors Third Edition tion Treatise treatment turbidity usually water departments water purification