Theni District Profile

• Theni district is bounded by Madurai District in the East, Kerala State in the West and South and Dindigul District in the North.
• The District lies between 9º32'00’’N to 10º15'00’’N Latitude, 77º10'00’’E to 77º 40'00’’E Longitude and has an area extent of 2869 sq.km.

Physiography and Drainage:

• The district is bordered in the west by Western Ghats and Kerala State. The terrain slopes generally from west to east by the influence of Western Ghats hill ranges and some parts from South to North.
• The Western Ghats is the main hill ranges present at the west and Andipatti hill ranges are bordering at South east part of the district.
• The northern part of the district is covered by Kodaikanal hills.
• Theni district forms parts of Vaigai River Sub catchment .The area is drained by a network of Rivers namely Vaigai River, Suruli Ar, Periyar River and Kottagudi River.
• The tributaries of Vaigai River i.e. Koothantchi Ar, Kottagudi Ar, Theni Ar and some local streams are drained in this district.

Rainfall:

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

Geology:

Ground Water Level:

The Ground Water levels from the 21 number of observation wells of TWAD have been analysed 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 TWAD Board under various State and Central Government assistances.

The Recharge Structures implemented so far in district is 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: 790