This document by the Tamil Nadu Water Supply and Drainage (TWAD) Board describes the details about the water used for consumption in terms of :
- Health effects of chemical parameters
- Classification of ineffective diseases in relation to water supplies
- Public water treatment systems
- Water and what it contains
- Substances dissolved in water
- Your doubts cleared
- Protection of public drinking water systems
- Protection of domestic water sources
- Rainwater harvesting and water sources
Download the document from below:
Post By: Rama Mani