India: Water

Total Water Volume: 1,123 billion cubic meters (bcm) – or about 296.7 trillion gallons. 

  • Total water volume includes surface water (690 bcm or 182.3 trillion gallons) and ground water (433 bcm or 114.4 trillion gallons).
  • Annual Precipitation (average baseline): 1,190 mm | 46.9 inches.
  • Potable water supply per person (projected 2025): 1,401 m3 (370,105 US Gallons).
  • India’s monsoons can make the annual rainfall highly variable from year to year.