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Another estimates India's total water and wastewater treatment market alone is worth about $420m, growing annually by about 18%. But the government's twelfth five year plan (2012-2017) states that
Government has made significant efforts to reduce surface water pollution but they remain jeopardised by the lack of wastewater treatment. An estimated 160 million latrines and septic tanks contribute to 80% of the pollution of the national surface waters.
