New Delhi, Untreated or partially handled sewage containing detergents is a key purpose behind the recurring poisonous froth within the Yamuna river, the Rajya Sabha was knowledgeable on Monday.
Replying to a query, Minister of State for Jal Shakti Raj Bhushan Choudhary mentioned, Central Air pollution Management Board carried out monitoring on river Yamuna at Kalindi Kunj, downstream of Okhla barrage in view of the froth/foam formation in river Yamuna within the 12 months 2022-2024.
“The causal hyperlink for the froth formation is because of the sudden fall of water from the barrage; agitation of foaming brokers current within the wastewater forming foam which floats on the floor of river Yamuna,” he mentioned.
“Surfactants in detergents are the primary foaming brokers current within the untreated sewage or partially handled sewage,” the minister mentioned.
He mentioned that the ‘Research on Yamuna Frothing in Delhi’, carried out by Division of Atmosphere, Authorities of NCT of Delhi by The Vitality and Assets Institute , discovered that the set off of the occasion is principally the poor water high quality of the river, which ends from numerous components corresponding to effluent containing excessive ammonia and phosphate, launched from anionic surfactants.
The federal government mentioned the primary causes for air pollution within the Yamuna in Delhi embrace discharge of untreated or partially handled sewage into river Yamuna, absence of widespread effluent remedy crops in some authorised industrial areas and delay in completion of latest initiatives and rehabilitation and upgradation of sewage remedy initiatives.
As knowledgeable by the Delhi Air pollution Management Committee , the hole in sewage remedy in June 2025 was 645.55 million litres per day , the minister mentioned.
Underneath the Namami Gange Programme within the state of Delhi, a complete of 11 initiatives have been sanctioned at a value of ₹2,506 crores for the creation of 1,273 million litres per day of sewage remedy capability, he mentioned.
Out of those, 9 initiatives, with a mixed remedy capability of 1,268 MLD, have been accomplished, he added.
As per the Delhi Jal Board , 37 sewage remedy crops are operational in Delhi. Out of those, 28 STPs, with a mixed remedy capability of three,338 MLD, have been upgraded to satisfy the most recent CPCB/DPCC requirements, whereas the remaining 9 are performing on outdated norms and design parameters, the minister added.
13 CETPs have been supplied with a capability of 212.3 MLD, for the remedy of waste water generated from industrial areas to manage water air pollution from industries in Delhi, the minister famous.
This text was generated from an automatic news company feed with out modifications to textual content.
