Rain Water Harvesting

For us, it’s not just about building tanks, and setting up pumps, but about creating long-term, sustainable change. We build capacity from the ground up and top down, changing entire systems so we won’t have to be around forever – but water services will last for generations to come.

Water is the source of all life on Earth. And the source of all water is Rain. Instead of diverting or blocking rivers or swallowing up groundwater reserves, we can tap into the potential of harvesting the rain itself. Rainwater harvesting (RWH) is a simple method by which rainfall is collected for future usage. The collected rainwater may be stored, utilised in different ways or directly used for recharge purposes. With diminishing groundwater levels and fluctuating climate conditions, RWH can go a long way to help mitigate these effects.

Capturing the rainwater can help recharge local aquifers, reduce urban flooding and most importantly ensure water availability in water-scarce zones. This water conservation method can be easily practiced in individual homes, apartments, parks, offices and temples too.

We at Pagdand are promoting RWH to all the citizens of Vadodara as a viable technological solution to combat water crisis. Pagdand helps install RWH systems across the city. We set up the entire mechanism from start to finish in accordance to the considerations of the site and the suggestions of our water expert.

Ground Water Recharge Systems (GWRS)
Installed by Pagdand

Supported by GACL Education Society and Vadodara Marathon, and in association with VMC and VMSS, Pagdand’s team has previously installed ground water recharge systems at four public locations in Vadodara mentioned below:

1. Atithi Gruh, Diwalipura (sponsored by GACL Education Society).
2. Sports Complex, Manjalpur (sponsored by Vadodara Marathon).
3. Sports Complex, Sama (Sponsored by GACL Education Society).
4. Sambhavnath Marg, Diwalipura (Sponsored by GACL Education Society).

In these high flow ground water recharge systems the surface and roof water from the premises is collected through a channel which is diverted into silt trap/filter chamber with water holding capacity of 2500 liters in which the dust particle settles down and the water moves to main recharge well with water holding capacity of 5000 litres. The water slowly percolates into the underground aquifer through a borewell of 8 inch size and 200 feet depth recharging it at the rate of 18,000 litres/hour. This system also reduces salinity and fluoride contents in the borewell. This increases the quality and quantity of ground water in the area, and this water can be used through the borewell during times of water scarcity.

Schematic of Steps in Installing a GWRS

Benefits of the GWRS

The ground water generally does not get polluted, if it is at least 20 meters away from the sanitary works. The water gets filtered while percolating through sand and stones. Therefore the groundwater remains pure and clean. Since the bore well is closed there is no risk of contamination, and the temperature of the deep water remains stable. It is cool in summer and warm in winter. The deep bore well ensures water availability during summer season.