Pros+Cons of Groundwater supplies

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  • Groundwater supply
    • Advantages
      • Rocks naturally filter water
      • No loss of water from evaporation
      • No dam required
      • If in an artesian basin, pumping costs low
    • Disadvantages
      • Requires sedimentary rock and aquifers
      • Problem of surface subsidence
      • Pollutants have a long residence time
      • Pumping costs as water has to be vertically raised
      • Groundwater can contain dissolved salts making it bracksh (Not potable)

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