16 Questions
What is rainwater harvesting?
The process of collecting and storing rainwater in a scientific and controlled manner for future use
In which areas can rainwater be an important source of water supply?
Areas where rain is well distributed throughout the year and surface and groundwater are scarce
What is a cistern?
A watertight tank where rainwater is stored
Why should fibro-cement roofs be excluded for rainwater harvesting?
They have been identified as carcinogen initiators
What is the purpose of interconnected catchments in rainwater harvesting?
To increase the overall catchment area for rainwater collection
What is Level I service in relation to cisterns for rainwater harvesting?
Small-scale use of cisterns for individual homes
What is the main benefit of rainwater harvesting?
Reducing soil erosion
How does rainwater harvesting affect the ground water level?
It increases the ground water level
What is the purpose of bypassing the first 5 to 10 minutes of rainwater in the collection process?
To remove pollutants washed from the catchment area
How does rainwater harvesting help mitigate the effects of drought?
By providing an alternative water source during drought
What is the recommended treatment for the cistern after every rain in rainwater harvesting?
Adding a chlorine compound of at least 5 mg/l chlorine
How does rainwater harvesting contribute to reducing flooding in low-lying areas?
By reducing the soil erosion
What is an important consideration for protecting a spring from biological contamination?
The presence of upstream settlements
What should be done to obtain satisfactory water from a spring?
Eliminate surface water intrusion and prevent animals from gaining access to the spring
How can you protect a spring from surface-water pollution?
By constructing a deep diverting ditch or equivalent around it
What should be done if the water flows to the spring head through limestone or similar types of fissured rock channels?
It should be chlorinated regularly due to the likelihood of carrying pollutants
Test your knowledge on the utilization of rainwater, springs, and infiltration galleries as water supply sources. Explore the concepts of rainwater harvesting and its importance in areas with limited surface and groundwater.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
