India, March 24 -- Delhi's daily water supply has remained unchanged at about 1,000MGD (million gallons daily) for the past three years, but the city's demand-supply gap in potable water has reduced on paper, with authorities progressively lowering per capita water requirement estimates, according to the latest economic survey.

The 2025-26 economic survey states that the Delhi Jal Board now estimates the city's water demand to be 1,250MGD, leaving a demand-supply gap of 250MGD.

The calculation is based on a revised benchmark of 50 gallons per capita per day (GPCD) for a projected population of 25 million. The estimate excludes water required for horticulture, agriculture and industrial use.

This marks a shift from earlier assessments. ...