A study by a Bangalore-based research organization has projected a major water crisis in Gurgaon in the next 10 years.
The study predicts a drastic fall in per capita water availibity in case steps are not taken for the rain water harvesting.
At present, the district needs nearly 200 million litres of water per day (MLD).
Of this, 144 MLD comes through canals and another 55 MLD is drawn out as groundwater.
This caters to a per capita average of 89 litres a day for an estimated population of 25 lakh.
According to the study, the population of Gurgaon is expected to grow to 43 lakhs by 2020. Going by the present trend, the net average consumption of water would drop to 48 litres per person per day, much less than the global standard of 130 litres per person per day.
The situation is more critical as over 3,000 manufacturing units in the district consume a major share of the water.
Also, according to earlier findings, the groundwater level in Gurgaon has been dipping at an alarming rate of two metres per year for the last three years.
“The only solution to the existing situation is an integrated urban water management system, which includes recycling of waste water from households, buildings and industries; revival of lakes and catchment areas and rainwater harvesting. This could also involve systems like a Membrane Bio Reactor as set up in some countries abroad,” added Shenoy.
According to estimates, Gurgaon has a total area of 1253 sq-km. “If we take the average annual rainfall to be 550mm, the ground watertable can be recharged by 500 million liters annually if just 50 per cent of the rainwater could be harvested in the city,” said Shenoy.