GOVERNMENT OF TAMILNADU

STATE GROUND AND SURFACE WATER RESOURCES DATA CENTRE,

WATER RESOURCES ORGANISATION/ PUBLIC WORKS DEPARTMENT,

Some useful sites are listed below :

GOVERNMENT OF TAMILNADU

MINISTRY OF WATER RESOURCES, GOVT. OF INDIA

CENTRAL GROUND WATER BOARD, NEW DELHI

INDIAN METEOROLOGICAL DEPARTMENT

CENTRAL WATER COMMISSION

CHENNAI METROWATER

TWAD BOARD TAMILNADU

State Ground and Surface Water Resources Data Centre