Q.Suggest some precautionary measures which should be taken while harvesting rainwater.
Ans. Harvested rainwater is used for direct usage or for recharging under ground water table. It is most important to ensure that the rainwater caught is free from pollutants. Following measures should be taken while harvesting rainwater:
(t) Roof or terraces used for harvesting should be clean, free from dust, etc.
(ii) Do not keep or store chemicals, detergents, etc., where the water is being harvested.
(iii) The whole system should be checked’before and after each rain.