N Lakshmi Narayana

Rainwater Harvesting Potential
Catchment area – 100 square metres (sq. m)
Average annual rainfall in Guwahati – 760 millimetre (mm)
Total water available from rainfall – 63.4 cubic metre (m3) or 63,400 litres

Rainwater Harvesting System
Rainwater harvested from the surface and rooftop runoff is used to recharge the sub soil. The recharge is done using three rectangular recharge pits made in brickwork.

Impact:A dry borewell started working after an year of implementation of the rainwater harvesting system.

Contact Person:
N.Lakshmi Narayana
Geohouse, House No. 2-3-173,
Road No. 2, Adarsh Nagar,
Nagole, Hyderabad-500068,
Andhra Pradesh
E-mail: dakshinya1995@yahoo.com

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R Gopalakrishna

Rainwater Harvesting Potential
Catchment area – 250 square metres (sq. m)
Average annual rainfall in New Delhi – 760 millimetre (mm)
Total water available from rainfall – 158.6 cubic metre (m3) or 1,58,600 litres

Rainwater Harvesting System
The rainwater harvesting system has been implemented in a group housing comprising of 10 flats. The runoff harvested from the rooftop is used to recharge the sub soil. The recharging is done using a recharge pit of size 1.25 m x 1.25 m 2.5 m.

The rainwater harvesting structure was completed at a cost of Rs 6,000.

Impact: There has been an improvement in the groundwater quality.

Contact Person:
R. Gopalakrishna
202, Jyothikartik Apartments,
64 Shantinagar, Hyderabad,
Andhra Pradesh - 500028
Phone: 9391001479
E-mail: rgk515@hotmail.com

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