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Delhi's 2026 Water Crisis Amid Yamuna Pollution and Delayed Infrastructure Plans
Delhi faced water supply disruptions in January-February 2026 due to high ammonia in Yamuna and reduced canal supplies from Haryana, despite long-term plans for lake revival and new treatment plants that remain pending.
Why It Matters
Affects millions in India's capital, highlighting infrastructure decay, inter-state water disputes, and pollution impacting daily water access and public health.
Timeline
9 Events
New Chandrawal Plant Planned
2026
105 MGD Chandrawal Water Treatment Plant set for commissioning in 2026 at Rs 599 crore to boost supply and handle high ammonia.
Chandrawal Plant Revival Progress
February 4, 2026
Stalled Chandrawal water treatment plant project, approved over a decade ago, advances with Rs 380 crore central aid to treat ammonia-affected water and serve 22 lakh people.
Aged Pipelines Exposed
2026 (exact date unspecified)
DJB documents revealed water and sewer lines up to 50 years old in areas like Tri Nagar, causing leakages and contamination; no fixed replacement timeline set.
NGT Flags Contamination Issues
May 2025
National Green Tribunal reprimanded DJB for drinking water contamination in Janakpuri due to corroded pipelines and blocked sewers.
Maintenance Work Discontinued
January 22, 2026
Authorities discontinued canal maintenance and restored normal supply route due to persistent high ammonia levels.
DJB Announces Water Disruptions
January 23, 2026
Delhi Jal Board reported high ammonia forcing five treatment plants (Wazirabad, Haiderpur, Bawana, Dwarka) to operate at 75% capacity, disrupting supply till February 4.
Ammonia Spike in Yamuna Reported
January 20, 2026
Temporary diversion during canal maintenance caused increased flow from Khubru to Yamuna, spiking ammonia levels and affecting raw water quality.
Munak Canal Shut for Maintenance
January 2026
Munak Canal, a key water source, was shut for maintenance, compounding supply shortages.
Delhi Branch Canal Closure Announced
January 20, 2026
Haryana's irrigation department closed Delhi Branch Canal and parallel channel from January 20 to February 4 for maintenance, reducing raw water inflow to Delhi treatment plants.