What action has the NGT taken against industrial polluters?

The NGT has directed the CPCB and state pollution control agencies to ensure that all industrial units that do not adhere to norms immediately install Online Continuous Effluent Monitoring Systems (OCEMS).

What are the consequences for industrial units that fail to comply with the NGT order?

The NGT has stated that failure to install or operate the OCEMS will attract appropriate remedial and punitive measures under the Water (Prevention and Control of Pollution) Act, 1974.

Home / Environment / NGT Cracks Down on Industrial Polluters, Orders Real-Time Effluent Monitoring

NGT Cracks Down on Industrial Polluters, Orders Real-Time Effluent Monitoring

Q: How many polluting industrial units have been identified across different states?

According to CPCB data, there are 704 defaulting Grossly Polluting Industries (GPIs) in Uttar Pradesh, 812 in Haryana, 21 in Bihar, and 149 in Delhi that are yet to install the mandatory OCEMS.

9 Nov

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Summary

NGT directs CPCB and state agencies to ensure industrial units install OCEMS
Thousands of polluting industries identified across 4 states
Failure to comply will attract remedial and punitive action

NGT Cracks Down on Industrial Polluters, Orders Real-Time Effluent Monitoring

In a major crackdown on industrial pollution, the National Green Tribunal (NGT) has directed the Central Pollution Control Board (CPCB) and state pollution control agencies to ensure that all non-compliant industrial units immediately install Online Continuous Effluent Monitoring Systems (OCEMS).

The order, passed on November 4, 2025, comes after the tribunal noted large-scale violations by industrial units releasing untreated effluents into crucial water bodies like the Ganga and Yamuna. According to the CPCB data cited in the plea, there are 704 defaulting Grossly Polluting Industries (GPIs) in Uttar Pradesh, 812 in Haryana, 21 in Bihar, and 149 in Delhi that are yet to install the mandatory OCEMS.