Delhi Plans 1,500 Rainwater Harvesting Projects Before Monsoon Following Water Crisis

In response to recent summer water shortages across parts of the capital, the Delhi government has launched an extensive pre-monsoon rainwater harvesting drive aimed at strengthening groundwater recharge and improving long-term water security. The initiative, implemented through the Delhi Jal Board (DJB), plans to construct 500 new rainwater harvesting structures and revive 1,000 non-functional systems across government buildings by June 30.

The programme comes at a time when Delhi continues to face recurring water stress during peak summer months, driven by rising demand, high temperatures and dependency on external water sources. Officials said the initiative is intended to capture and store monsoon rainfall that would otherwise be lost to drainage systems, thereby reducing pressure on groundwater reserves.

According to the Delhi Jal Board, the combined effort of new installations and restoration of existing infrastructure could help recharge approximately 733 million litres of water annually. Authorities have described groundwater replenishment as a critical priority, given concerns over declining water tables in several parts of the city.

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The project will cover multiple government agencies, including the Municipal Corporation of Delhi, Public Works Department, Delhi Urban Shelter Improvement Board and the Directorate of Education. Officials noted that while rainwater harvesting has been mandatory for certain building categories since 2001, many existing systems have become non-functional due to poor maintenance and lack of regular upkeep. Currently, 7,596 out of 9,148 government buildings in Delhi already have rainwater harvesting systems installed. However, the government has identified system functionality as a key gap and aims to ensure all installations are operational before the onset of the monsoon season.

To meet the deadline, tenders are being floated immediately, with work orders expected in early June. The Delhi Jal Board has set June 30 as the target for completion of the first phase, ensuring that both new and repaired systems are ready to capture rainfall during peak monsoon activity. To improve oversight, the DJB is also developing an online monitoring portal to track installation, maintenance and compliance across the capital. The board has empanelled 59 service providers to assist with implementation and upkeep of rainwater harvesting infrastructure.

Delhi Water Minister Parvesh Verma said the initiative reflects a shift toward treating water conservation as a continuous policy priority rather than a seasonal response. He emphasised that both infrastructure expansion and restoration of existing systems are essential to strengthening the city’s water resilience. Officials added that rainwater harvesting, combined with broader water management strategies and public participation, will be central to addressing Delhi’s long-term water challenges and reducing dependence on external supply sources.

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