It is compulsory for new buildings in Mumbai to collect and store rainwater, but the municipal corporation has done little to enforce this rule in 12 years. Sumesh Lekhi’s housing society in Mumbai’s Versova suburb decided to install rainwater harvesting facilities in their colony as far back as 2001.
Is rain water harvesting mandatory in Mumbai?
The State Government has made rainwater harvesting mandatory for all public establishments and all properties in plots covering more than 500 sq m in urban areas. The State Government has made rainwater harvesting mandatory for all buildings that are being constructed on plots that are more than 1,000 sq m in size.
In which city must rain water harvesting be required?
The Central Ground Water Authority (CGWA) has made rainwater harvesting mandatory in all institutions and residential colonies in notified areas (South and southwest Delhi and adjoining areas like Faridabad, Gurgaon and Ghaziabad). This is also applicable to all the buildings in notified areas that have tubewells.
Is rainwater harvesting compulsory?
For making mandatory usage of harvested rainwater in large buildings, the Karnataka Cabinet on Monday is said to have approved the Bangalore Water Supply and Sewerage Amendment Bill, 2021. … and above will have to compulsorily make use of harvested rainwater by installing a dual pipe system.
What is the basic rule of rainwater harvesting?
Rainwater harvesting has been made mandatory in all new buildings with an area of 300 sq m or more irrespective of the roof area. It has been made mandatory to provide RWH in all Group Housing and Commercial Complexes.
What are the requirements for rainwater harvesting?
The open well/recharge well should be 3-metre deep (minimum) with a minimum diameter of 0.9 metres without fillings (aggregates, jelly, sand etc.). Rainwater can be stored in a tank/sump or used for ground recharge. A combination of the two can be used to achieve the stipulated capacity of ‘X’ litres.
Where is rain water harvesting done in India?
The states, which have taken up rainwater harvesting and groundwater recharge programs on a large scale, are Gujarat (North Gujarat, Saurashtra and Kachchh), Rajasthan, Maharashtra, Tamil Nadu, Karnataka, Andhra Pradesh, Madhya Pradesh, Orissa and Chattisgarh.
Who started rainwater harvesting in India?
Check out this article to know why Restaurants need water purification systems. India is practicing rainwater harvesting since 10th century. In 11th century, largest rainwater harvesting tank was created by Chola kings and it is 16 kilometer long. It needs minimal infrastructural changes to start rainwater harvesting.