Use of treated effluent water from oil refineries for irrigation: Acceptable TDS limits and applicable laws

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What levels of TDS are acceptable for Treated Effluent Water from Oil Refineries and Petrochemical Industries (that meets the new norms in terms of other quality parameters, Quality conforming to the New Environment Protection Amendment Rules 2008, effective from March 18, 2008) to be used as irrigation water. Is there any prevailing standard for the same? There is no  specific crop and should apply to all.

Also, do we still have a Limiting Value for TDS (2100ppm previously),  that has now been omitted in the current amendment?

Vikram Singh
vikram.singh@eil.co.in

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