From flush to filth: Why Delhi’s sewage ends up in Yamuna
New Delhi: With every flush in Delhi begins a long underground journey.In theory, sewage travels through sewers, reaches pumping stations, is treated at sewage treatment plants (STPs), and only then is safely discharged or reused.In reality, large volumes of untreated or partially treated waste still find their way into the Yamuna through stormwater drains, broken…