
Prayagraj, December 16 – The stage is set for Maha Kumbh-2025, the world’s largest human gathering, slated to take place from January 13 to February 26 in Prayagraj. As millions of pilgrims prepare to converge at the Sangam, the confluence of the Ganga, Yamuna, and Saraswati rivers, the Uttar Pradesh government is leaving no stone unturned to ensure the event is a blend of grandeur, spirituality, and sustainability.
Under the leadership of Chief Minister Yogi Adityanath, extensive measures have been undertaken to maintain the sanctity and cleanliness of the holy Ganga. In a pioneering move, the Uttar Pradesh Jal Nigam (Urban) has installed a state-of-the-art geotube technology-based sewage treatment plant in Salori, at a cost of ₹55 crores. This initiative aims to treat wastewater from 22 previously untreated drains, ensuring no contaminated water pollutes the Ganga during the Maha Kumbh.
Advanced Technology to Safeguard the Ganga
The geotube technology deployed at the Salori plant is a modern sewage treatment method designed to significantly reduce water pollution. Saurabh Kumar, Executive Engineer at UP Jal Nigam (Urban), explained that the plant is currently undergoing trial operations and is set to become fully operational by January 1, 2025.

The treatment process involves geotubes that effectively remove 40-50% of Biochemical Oxygen Demand (BOD) and approximately 80% of Total Suspended Solids (TSS). Following initial treatment, the water undergoes purification using hydrogen peroxide and ozonization, ensuring it meets stringent safety standards before being released into the river.

Ozonization, a safer alternative to chlorination, has been chosen for this plant to protect aquatic ecosystems. Unlike chlorine, which can harm aquatic life in high concentrations, ozone effectively eliminates faecal bacteria while preserving the river’s biodiversity. The plant’s operations are monitored round-the-clock using advanced Online Continuous Emission Monitoring System (OCEMS) technology.
Commitment to a Cleaner Future
In previous editions of the Magh and Kumbh Melas, devotees faced challenges as untreated wastewater often flowed into the sacred waters, raising concerns over hygiene and safety. The establishment of the Salori treatment plant marks a significant step forward in addressing these issues.
Also Read | Government prepares for a record-breaking Mahakumbh 2025 welcoming 100 crore devotees
During his recent visit to Prayagraj on December 12, CM Yogi Adityanath inspected the treatment plant, emphasizing the importance of its seamless operation during the Maha Kumbh. He reiterated his commitment to preserving the purity of the Ganga, aligning with the government’s broader mission to rejuvenate India’s rivers and protect their ecological balance.
The Maha Kumbh-2025 is expected to attract millions of devotees and tourists from across the globe. In addition to ensuring clean water at the Sangam, the government is implementing comprehensive measures for crowd management, security, sanitation, and infrastructure development. These efforts aim to make the event a benchmark for large-scale public gatherings, blending tradition with modernity.
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