# DJB likely to tap contaminated groundwater to bridge Delhi’s supply gap

> With Delhi facing a water supply deficit of around 250 million gallons per day (MGD) during summer, the Delhi Jal Board (DJB) is exploring advanced treatment technologies to tap into contaminated groundwater aquifers for supplying potable water, particularly in areas along the Najafgarh drain, Garhi Mandu and other areas where total dissolved solids (TDS), heavy metals and levels of other contaminants are significantly high.

- Published: 2026-10-29T02:30:12.401Z
- Updated: 2026-10-29T02:30:12.401Z
- 1 source
- Topics: Politics
- Involves: Delhi Jal Board

## How it developed

- 2026-10-29T02:30:12.401Z - Hindustan Times: [DJB likely to tap contaminated groundwater to bridge Delhi’s supply gap](https://www.hindustantimes.com/india-news/djb-likely-to-tap-contaminated-groundwater-to-bridge-delhi-s-supply-gap-101793238569368.html)

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