question_answer

Define the term rainwater harvesting. State any five objectives of rainwater harvesting.                                                                                                                   [Delhi 2006, 06C. 05C. 04]

Answer:

Rainwater harvesting is a technique of increasing the recharge of groundwater by capturing and storing rainwater by constructing structures, such as dug wells, percolation pits, check dams. The objectives of rainwater harvesting are:

(i) to meet the increasing demand.

(ii) to reduce run-off.

(iii) to avoid flooding of roads.

(iv) to raise groundwater level.

(v) to improve the quality of ground water.