Urban Drainage Crisis in India

Urban flooding has become a persistent issue in major Indian cities like Delhi, Mumbai, and Bengaluru, with inadequate drainage systems exacerbating the crisis.

Urban Drainage Crisis in India: Recent Trends

  • As per the Ministry of Housing and Urban Affairs (MoHUA), 70% of urban areas lack scientifically designed stormwater drainage systems.
  • Mumbai: Drainage infrastructure, built in the 1860s, was designed for 25 mm/hour rainfall but now faces over 100 mm/hour. 80% of natural water bodies have been lost in the last four decades, reducing natural flood mitigation.
  • Delhi: The drainage system follows 1976 norms, built for 50 mm/day of rainfall. In May 2025, ....
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