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Sewage Water Physical Charactor

  1. Fresh sewage is odorless and has an earthy or Grey color. in Three to Four hours it becomes stale, when all the oxygen present in it has been particularly exhausted. It then starts emitting unpleasant offensive odour and the colour becomes dark.
  2. Sewage is normally turbid having other floating matter, like facial solids, matches, fluid tissues, bits of paper, grease, vegetable matter, fruit skins, etc.
  3. The normal Temperature of sewage is higher than that of the municipal water supply, because of heat added during the utilization of water.