The Tamil Nadu government's ₹342.6-crore Mamallan drinking water reservoir project has faced criticism from fishermen and residents over potential ecological damage and livelihood disruption
GS3Economy · S&T · Environment · Security· Cropping patterns & irrigation· Prelims + Mains·
Why in news
The Tamil Nadu government's ₹342.6-crore Mamallan drinking water reservoir project has faced criticism from fishermen and residents over potential ecological damage and livelihood disruption.
Background
The project aims to augment Chennai's water supply by harnessing surplus flows from the Manamathy group of tanks and Kovalam sub-basin. It is expected to benefit approximately 13 lakh people and is scheduled for completion within two years.
Facts for Prelims
- FactThe Mamallan drinking water reservoir project has a budget of ₹342.6 crore.
- PlaceThe project is located near Mamallapuram, a world heritage site in Tamil Nadu.
- FactThe project aims to benefit approximately 13 lakh people.
- PlaceThe project harnesses flows from the Manamathy group of tanks and Kovalam sub-basin.
For Mains
Q. Discuss the conflict between large-scale water infrastructure projects and the preservation of coastal ecosystems and local livelihoods in India.
Dimensions to cover in your answer
- Ecological friction: Potential degradation of brackish-water ecosystems and coastal biodiversity
- Livelihood displacement: Impact on traditional fishing grounds and local economic stability
- Regulatory compliance: Balancing infrastructure development with Coastal Regulation Zone (CRZ) mandates
Keywords: Water security · Coastal Regulation Zone · Ecological impact · Livelihood sustainability · Resource management
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