Delhi is set to launch a real-time water quality monitoring system for the Yamuna River starting in May, featuring 41 online monitoring stations (OLMS) to track pollution indicators continuously. This system aims to improve response times by enabling authorities to quickly identify pollution spikes and sources, addressing a significant challenge in the river's clean-up efforts. The monitoring stations will be installed at six critical locations along the river, including Palla, ISBT Bridge, and Okhla Barrage. Although the system will provide continuous data on various chemical indicators such as dissolved oxygen and total suspended solids, it will not measure faecal coliform, a key indicator of untreated sewage contamination, which will still require manual testing. This exclusion is noteworthy, as faecal coliform levels have historically exceeded permissible limits due to untreated sewage discharge. The initiative is part of broader efforts to rejuvenate the Yamuna River, which suffers from severe pollution pressures from domestic sewage and industrial discharge. Recent observations noted the return of toxic froth in the river, highlighting the inadequacy of temporary clean-up measures implemented during festivals. Authorities hope that this new monitoring system will lead to better enforcement and more targeted interventions to address the ongoing pollution crisis.