Groundwater Nitrate Contamination in India
India faces escalating groundwater nitrate contamination, with 440 districts reporting unsafe levels as of 2023. About 19.8% of samples exceed the safe limit of 45 mg/l, particularly in states like Rajasthan (49%), Karnataka (48%), and Tamil Nadu (37%). The contamination is mainly due to excessive use of nitrogenous fertilisers in agriculture. Seasonal variations show higher contamination post-monsoon. Other contaminants like fluoride and uranium are also significant concerns in regions like Rajasthan and Punjab. Addressing this crisis requires sustainable farming practices, better water management, and public awareness to protect w
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