Assessment of Groundwater Quality in Industrial Areas of Delhi, India by Indexing Method

摘要: The GW contamination has become a grave problem due to rapid growth of population, expansion irrigation activities, industrialization and high rate urbanization in India. Over the last few decades, land water use patterns have changed drastically is an important resource for drinking purpose which contains over 90% fresh resources (Sabahi et al. 2009). untreated industrial effluents discharged into surface sources cause severe pollution belt (Mondal 2005). People are becoming more aware complexity nature delicate balance that exist with global ecosystem (Ahmet 2006). National Capital Territory (NCT) Delhi, India scare state deficit supply its resident (Shekhar Yamuna flood plain only potential Delhi. exploration, exploitation unscientific management NCT posed serious threat reduction quantity deterioration quality (Adhikary In level gone down approximately 8 m per year 10 years at about 0.8 (CGWB Annual replenishable Delhi 297 million cubic meter while draft 480 (Chatterjee Thus out nine districts, seven districts been categorized as overexploited regards dynamic 2006).The city forced meet 50 % requirement from (Kumar Solid liquid waste emanating industry inevitability by products manufacturing process toxic chemicals trace metals. open unlined drains availability dumping nearby recharge areas, act source (Dutta 1997).