Capital seeks global tech to clean Yamuna

A worker sprays an anti-foaming chemical solution from a boat to tackle toxic foam on the Yamuna River near Kalindi Kunj in New Delhi	PTI
A worker sprays an anti-foaming chemical solution from a boat to tackle toxic foam on the Yamuna River near Kalindi Kunj in New Delhi PTI
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Delhi is looking beyond its borders for solutions to one of its most persistent environmental challenges, with a Sweden-based company exploring opportunities in sewage sludge management as the Government seeks international expertise to strengthen the Yamuna rejuvenation drive.

Representatives of the Swedish company recently met Water Minister and Delhi Jal Board Chairman Parvesh Sahib Singh at the Delhi Secretariat. They expressed interest in contributing technology and expertise to improve sewage and sludge management in the capital. The meeting focused on exploring possible areas of cooperation, though no agreement or project commitment was announced.

The interaction is part of the government’s effort to bring specialised international technology into Delhi’s water and wastewater management system. The administration has said that cleaning the Yamuna would require improvements not only in the river but also in the infrastructure and systems through which sewage and waste reach it.

Singh said rejuvenating the Yamuna was among the government’s key priorities and that international organisations and technology companies were showing interest in Delhi’s initiatives. He said the Government was open to working with organisations that offer practical, sustainable solutions. The minister said the objective was to improve the city’s overall water and wastewater management system, rather than limit the effort to cleaning the river.

Delhi is already using some international technology. Finland-based Aquamec’s Watermaster amphibious dredging machine has been deployed for work in the Najafgarh drain. The equipment is designed to remove accumulated silt, sludge, and aquatic weeds, which can obstruct water flow.

The deployment aims to improve the drain’s flow and reduce the pollution load entering the Yamuna. The Government has highlighted the specialised machine as an example of adopting technology to address long-standing problems in the city’s drainage and water systems. The administration is also pursuing cooperation with international development institutions for wider infrastructure projects.

The Asian Development Bank (ADB) is associated with the proposed Delhi Water Supply Improvement Project in the Wazirabad Water Treatment Plant’s command area. The initiative is intended to strengthen the city’s water supply infrastructure. Efforts are being made to revive the project, which has been pending for a long time.

Cooperation with the Japan International Cooperation Agency (JICA) is also continuing to develop Delhi’s water and wastewater infrastructure. The Government said it would encourage partnerships with international institutions and specialised companies wherever their expertise could deliver practical improvements in water management.