Kerala PCB issues directions regarding utilization of treated effluent in irrigation

Mar 03, 2020 | by Avantis RegTech Legal Research Team

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EHS Compliance

The Kerala State Pollution Control Board (KSPCB) on February 25, 2020, issues Circular, directing all industries for utilization of treated effluent for irrigation. Based on Hon’ble NGT Order dated September 26, 2019, CPCB had laid down the guidelines for “Utilization of Treated effluent in Irrigation”. As per the guidelines, Zero Liquid Discharge (ZLD) implies that the industries are not discharging any effluent, either on the land or in the water body or at any other place, that is recycling the same in the process entirely without releasing any effluent.

The implication of ZLB may increase the possibility of risks as the wastewater usage in agriculture impacts on human health and not feasible in many cases in view of techno-economical reasons. Thus, suggested that treated waste water of an industry may also be utilized for irrigation. The NGT has also directed that condition for utilization of treated effluent for irrigation shall be included in the Integrated Consent to Establish (ICE) of such units. 

The effluent should also conform to the followings:

a) Total Dissolved Solids – 2100mg/1,

b) Sodium Adsorption Ratio (SAR) – preferably less than 18 but not more than 26 depending on soil or crop type, besides meeting any other parameters suggested by Agricultural Scientist or Agricultural University or Institute in the Irrigation Management Plan.

The industry should also engage with Agricultural Scientist or Agricultural University or Institute for advice on the utilization or the rate of application of the treated for irrigation in the agro-climatic conditions and prepare a comprehensive Irrigation Management Plan and submit the same to PCB which should be verified while issuing consent to the industry. The District office or Regional office or concerned section of Head office shall take actions to implement the same.

[Circular No. PCB/HO/CIRCULAR/51/2019]


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