Thoothukudi District Profile

• Thoothukudi district lies in the Southeastern corner of Tamil Nadu.
• The District is bounded on the North by Virudhunagar and Ramanathapuram district, by Bay of Bengal in the East, Tirunelveli District in the West and South West.
• The District lies between 8 º19'00”N and 9º 20'00”N Latitude, 77º 40'00” E and 78º 10’00”E Longitude and has an area extent of 4621 sq.km.

Physiography and Drainage:

• Thoothukudi district is one of the coastal Districts of Tamil Nadu.
• The drainage network in the District is constituted by the rivers originating in Western Ghats and Tamil Nadu uplands and flowing towards the Bay of Bengal.
• Few streams originate in the hillocks within the district and confluence directly with the sea.
• Vaippar, Tamiraparani and Karamaniyar are the major rivers draining the area which are ephemeral in nature.
• Tamiraparani is the major and perennial river in the district with a mature stage of development and on the way receives several important tributaries such as Karaiyar, Servalar, Manimuthar, Kadana, etc.,

Rainfall:

The average annual rainfall and the 5 years rainfall collected from IMD, Chennai is as follows:

Geology:

Ground Water Level:

The Groundwater levels from the 49 number of observation wells of TWAD have been analyzed for Post-Monsoon and Pre-Monsoon. 5 years average Ground water level in m Below Ground Level for pre and post monsoon is as follows:

Sustainability:

With a view to enhance the Sustainability of the drinking water sources, recharge structures are being implemented by the TWAD Board under various State and Central Government assistance.

The Recharge Structures implemented so far in the district are as under.

Categorization of Firkas:

The status of Categorization of firkas as of March 2020 for the District in is shown below.

Rural Habitations

Total No. of Rural Habitations: 1740