Rainwater Harvesting at Ryan International, Ghaziabad

The P-4 Partners

Community Partner : RYAN INTERNATIONAL SCHOOL, GHAZIABAD

Funding Partner: HINDUSTAN COCA-COLA BEVERAGES INDIA PVT LTD.

Expert Advice: CENTRAL GROUNDWATER BOARD

Ghaziabad district is very fertile and it lies in the doab (area between two rivers) of the Ganga and the Yamuna rivers. The district is bestowed with shallow and deep aquifers and the city has been exploiting the ground water source since last four decades. Apart from utilizing ground water for providing water through hand pumps in rural and unauthorized areas, ground water has been utilized for piped water supply since 1955, when piped water supply scheme was introduced. Receding water table and continuous withdrawal is affecting the quality of water. Water table receded in maximum portion from 5 m to 7 m bgl range to 7 m to 15 m bgl range during the time period of 1987 to 1993. Surface water resource flowing through the city is too much polluted and quantity is also insufficient. Over–exploitation of aquifers, depletion of water resources and pollution by human waste and industrial effluents are having a negative impact on environmental conditions.

It is very important therefore, to do Rainwater Harvesting in this area so that the groundwater levels are maintained. Recharge trenches with bore wells which join the aquifer at / below the water table will do effective recharge to groundwater.

TECHNICAL DETAILS OF RAINWATER HARVESTING PROJECT

Watershed details –

Average Annual Rainfall 700 mm / yr

Land use type School

Total area considered for recharge 3000 sqm. (This is the area that comprises the catchment area for the runoff that will flow into the two proposed structures)

Geological and hydrogeological details -

Geological formation Alluvium

Depth to water table 10 – 15 m below ground level

Water Available for recharge 1470 cu.m. approx.

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Rainwater Harvesting at Ryan International, Ghaziabad