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Based on the Tamil news article titled "Permanent Solution for Monsoon Problems: Expectations and Disappointments," here are three key points regarding the drainage challenges in Chennai:
1. Significant Infrastructure Investment vs. Persistent Issues
Despite the Chennai Corporation expanding the stormwater drain network (adding 1,000 km in the last three years to reach a total of 3,040 km), flooding remains a major issue. Even with projects worth hundreds of crores—including a ₹1,500 crore German Bank-funded project for the Adyar canal—waterlogging continues in over 150 small locations and several major roads, causing routine disruptions to electricity and transport during rains.
2. High Operational Costs and "Temporary" Fixes
The article highlights a heavy reliance on temporary measures rather than a seamless gravity-based system. To manage water stagnation:
The Corporation spends over ₹5 crore on fuel (diesel/petrol) for motor pumps.
Hundreds of motor pumps and tractors are rented annually to drain water from streets.
Officials admit that because Chennai is a low-lying coastal city, natural drainage into the sea is geographically challenging, necessitating these mechanical interventions.
3. Shift Toward Sponge City Technology
To find a permanent solution, the city is moving toward "Sponge City" concepts using German technology. This includes:
Integrating modern rainwater harvesting systems in playgrounds and parks.
Creating 229 existing ponds and 30 new ones to store water, along with 200 parks equipped with harvesting structures worth ₹20 crore.
However, despite a budget allocation of ₹1,290.05 crore for 2025-26, the public remains skeptical as the fear of "where and when" the next flood will hit persists.
Would you like me to translate any specific section of the data regarding the budget allocations for 2026-27?
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