Rainwater Harvesting for Water Supply
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Questions and Answers

What is rainwater harvesting?

  • The process of artificially creating rain
  • The process of collecting and storing rainwater for future use (correct)
  • The process of redirecting rainwater to the sewer system
  • The process of purifying rainwater for drinking

    • Where can rainwater be collected from for rainwater harvesting?

  • Underground reservoirs
  • Swimming pools and lakes
  • Roofs of buildings, houses, and other catchments (correct)
  • Street drains and gutters

    • In which areas can rainwater be an important source of water supply?

  • Where there is a limited need for water supply
  • Where there is abundant surface and groundwater
  • Where rain is well distributed throughout the year and where surface and groundwater are scarce (correct)
  • Where there is a shortage of rainfall

    • What is a cistern in the context of rainwater harvesting?

    <p>A watertight tank where rainwater is stored</p> Signup and view all the answers

    What type of roof material should be excluded for rainwater harvesting due to health concerns?

    <p>Fibro-cement roof</p> Signup and view all the answers

    Why does rainwater harvesting require strong community participation?

    <p>To ensure proper maintenance of cisterns and catchment areas</p> Signup and view all the answers

    What is a key benefit of rainwater harvesting?

    <p>Reduces the runoff and flooding of storm water drains</p> Signup and view all the answers

    Which factor determines the amount of water that can be collected in a year?

    <p>The annual rainfall and collecting area</p> Signup and view all the answers

    What should be bypassed and filtered in rainwater harvesting to ensure water quality?

    <p>The first 5 to 10 minutes of rainwater</p> Signup and view all the answers

    Why is it recommended to treat the cistern after every rain in rainwater harvesting?

    <p>To improve the quality of the stored water</p> Signup and view all the answers

    What is the impact of rainwater harvesting on ground water level?

    <p>It increases the ground water level</p> Signup and view all the answers

    What does rainwater harvesting help mitigate?

    <p>Flooding of roads and low-lying areas</p> Signup and view all the answers

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