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The role played by the TAMILNADU WATER SUPPLY AND DRAINAGE BOARD, in providing clean and potable water for the community is pivotal

Unprotected and Polluted water was a source of danger to Public health. People draw water from ponds and lakes.
With the advancement of civilization, people started taking water from the well as they felt it to be safe.  But that was not so.
Borewells with hand pump came into existence and people started adopting this method for the requirements of water.
Governmental agencies like TWAD BOARD started executing water supply schemes to provide protected and potable water through overhead tanks with stand posts.


SAFE WATER PROTECTS OUR HEALTH

WATER SOURCES AND WATER QUALITY

HEALTH EFFECTS OF CHEMICAL PARAMETERS

CLASSIFICATION OF INFECTIOUS DISEASES IN RELATION TO WATER SUPPLIES

PUBLIC WATER TREATMENT SYSTEMS

WATER TESTING FACILITIES IN TWAD BOARD LABORATORIES

TESTING CHARGES

SAMPLING PROCEDURES

ADDRESSES OF TWAD BOARD'S WATER TESTING LABORATORIES

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