As part of its strategy for the regeneration of the Ganga river over the long term, the National Mission for Clean Ganga (NMCG) has introduced Nature-Based Solutions (NbS), which have bolstered its river conservation efforts. Incorporating these ecological interventions into river management makes the system more resilient and sustainable, supplementing traditional sewage treatment facilities.
Both the Shastri Park Drain and the Kailash Nagar Drain, which empty into the Yamuna River, are part of the Sustainable River Rejuvenation (SRR) program, which NMCG has initiated as a pair of trial projects. The combined daily effluent treatment capacity of the projects is around 10 million litres (10 MLD).
Structures made of stone masonry, aquatic vegetation, rock filtration, and phytoremediation all work together in the built wetland treatment system. These low-maintenance, naturally occurring processes boost dissolved oxygen levels, enhance water quality, decrease organic pollutants, and encourage biodiversity.
There has been consistent advancement in the construction process. Brick lining work has begun at the Kailash Nagar Drain after desilting and sludging was finished, and similar preparatory work is progressing at the Shastri Park Drain in preparation for the installation of wetland treatment components.
Through the Knowledge Sharing and Development Centre (KSDC), NMCG sponsored six capacity-building programs from August 2025 to March 2026 to encourage a broader adoption of Nature-Based Solutions. Sustainable river management and ecological restoration were the topics of specialised training for over a hundred river management agency engineers and officials.
A man made wetland project at Khatauli, implemented by NMCG for the rejuvenation of River Kali, is an example of how nature-based wastewater treatment using low-energy can improve river health and decrease pollution throughout the Ganga basin.
River health, ecosystem strength, and long-term water security in India can be greatly enhanced through NMCG’s scalable and ecologically sustainable methodology, which combines Nature-Based Solutions with conventional wastewater treatment.
Image: BS
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