Sôbre a bacteriologia de águas piracicabanas

Abstract

Working with 29 samples of surface and depth water, raw or treated, using the Standard Methods for Examination Water and Sewage of American Public Health Association was found that 26 samples show contamination by entero-bacteria (coli-aerogenes), or Clostridium. This proved that 82% of samples of water which were analysed were not safe for use as potables or for irrigation of vegetables.