India, July 29 -- The Greater Noida authority has installed Online Continuous Monitoring Systems (OCMS) at two more sewage treatment plants (STPs) in Ecotech-2 and Ecotech-3 for real-time surveillance and better wastewater management and environmental compliance, officials said on Monday.

The OCMS technology enables real-time tracking of key pollution parameters like Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD), and other indicators before and after sewage treatment, they added.

"The system was first introduced at the 2 MLD Badalpur STP, and within a month, has been extended to the 15 million litres per day (MLD) plant in Ecotech-2 and the 20 MLD plant in Ecotech-3," said additional chief executive officer (ADCEO) Prern...