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CHAPTER 3 WATER & WASTE WATER TREATMENT - Coggle Diagram

- - - - Usually obtained from well ( perigi ) .
        Only considered as groundwater if it lies in the zone of saturation which is below zone of aeration
    - - Contributed by the hydrologic cycle ( also known as global water cycle
- - - - Process : Anaerobic digestion , Aerobic digestion , Facultative ( between anaerobic and aerobic condition )