From UPSC perspective, the following things are important :
Prelims level : NAQUIM
Mains level : Acquifer mapping in India
Central Ground Water Board (CGWB) is implementing ‘National Aquifer Mapping and Management Programme’ (NAQUIM) for aquifer mapping in the country.
- Water being a State subject, initiatives on water management including conservation and artificial recharge to ground water in the Country is primarily States’ responsibility.
- The NAQUIM is one such initiative of the Ministry of Jal Shakti for mapping and managing the entire aquifer systems in the country.
- The vision is to identify and map aquifers at the micro level, to quantify the available groundwater resources, and to propose plans appropriate to the scale of demand and aquifer characteristics, and institutional arrangements for participatory management.
Highlights of the mapping
- Out of the total mappable area of nearly 25 lakh sq km, so far aquifer maps and management plans have been prepared for an area of nearly 11.24 lakh sq km spread over various parts of the country.
- As per the ground water resource assessment carried out jointly by CGWB and State ground water departments, 1186 assessment units in the country have been categorized as over-exploited, of which aquifer mapping has been completed in nearly 75% Units.