what are advantages of roof tap harvesting
Answers
Explanation:
1.reduce the cost of pumping ground
water.
2. provides high quality water that is
soft and low in mineral.
3.improves the quality of groundwater.
Explanation:
Advantages of using rooftop rainwater harvesting
Provides self-sufficiency to water supply.
Reduces the cost of pumping groundwater.
Provides high-quality water that is soft and low in minerals.
Improves the quality of groundwater through dilution when recharged to the ground.
Reduces soil erosion in urban and rural areas.
Is a cost-effective and simple technique.
RWH structures easy to construct, operate and maintain.
In saline or coastal areas rainwater provides good quality water, and when recharged to the ground, it reduces salinity and also helps in maintaining the balance between the fresh-saline water interface.
In Islands, due to the limited extent of freshwater aquifers, rainwater harvesting is the most preferred source of water for domestic use.
Rooftop rainwater harvesting in Chhattisgarh
A rooftop rainwater harvesting model was constructed by Samerth at Madiya Kachar village in Bilaspur district to combat the contaminated water that the community, which was predominantly the Baiga tribe, had access to. The model structure had a capacity of 66,000 litres and was set up at the primary school building at Madiya Kachar. The school was chosen for the following reasons:
It had a flat roof that could capture maximum rainwater.
The number of school going children at Madiya Kachar was higher than those at nearby schools.
Iron contamination was highest in the village.
The dropout rate of school going children was rising rapidly due to the non-availability of drinking water within the school premises.
The drinking water source was 1km away from the school building.
A village committee was formed and the school and Aanganwadi staff were trained in order to maintain and monitor this rainwater harvesting structure. "Implementation of rooftop rainwater harvesting at the household level is not possible right now in rural areas because most of the houses at Madiya Kachar have earthen roofing tiles that require high maintenance and monitoring", says Suvigya Pathak, Senior Programme Coordinator, Samert, Chhattisgarh. The villagers now have access to clean and safe drinking water, and are also not dealing as much with scarcity. Neighbouring villages are trying to replicate this model due to it being sustainable.
The film “Rainwater Harvesting: From books to field”, provides an overview of how rooftop rainwater harvesting when implemented properly can also bring about social and economic change.
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