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Sunday , 26th September 2021
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Kallakurichi District Profile

  • Kallakurichi district is bounded by Villupuram in the east, Tiruvannamalai districts in the north, Cuddalore and Perambalur districts in the south and Dharmapuri and Salem districts in the west.
  • The District lies between 11º30’00’’ to 12º35’00’’ North Latitude, and 78º37’00’’ to 80º00’00’’ East Longitude and has an areal extent of 3,465 sq.km.

Physiography and Drainage

  • Kallakurichi district can be divided into 2 classes’ viz., Hilly terrains and Plain terrain.
  • The hills are found in the western part of the district and they are Kalrayan hills falling under Kalrayan taluks.
  • Plain terrain occurs in the middle and eastern part of the part of this district.
  • The major rivers draining the district are Komukhi, Manimutharu, Gedilam and Thenpennaiyar.

Geology:

Rock Type Geological Formation
Hard Rock 90%

Sedimentary Rock 10%

Charnockite, Granite, Gneiss, Pegmatite and Quatrzite

Sandstone, Shale and Alluvium

Rainfall:

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

Actual Rainfall in mm Normal Rainfall in mm
2015 2016 2017 2018 2019
1370.79 563.67 1083.83 758.24 915.71 1011.0

Ground Water Level:

The Ground Water levels from the 34 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:

Jan
2015

May
2015

Jan
2016

May
2016

Jan
2017

May
2017

Jan
2018

May
2018

Jan
2019

May
2019

5 Years
Pre Monsoon
Average

5Years
Post Monsoon
Average

2.6

3.0

1.03

3.14

3.7

4.7

2.15

9.5

6.3

9.6

6.0 3.16

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 2017 for the District in is shown below.

Categorisation based on Extraction (as on 2017) No. of Firkas Firkas
Over Exploited (>100%) 7 Elavanasurkottai, Eraiyur, Indili, Kalamarudur, Nainarpalayam, Tirupalapandal, Thiyagadurgam.
Critical (90%-100%) 3 Nagalur, Ulundurpettai, Vadasiruvalur.
Semi Critical (70%-90%) 6 Chinnasalem, Kallakurichi, Manalurpettai, Sengurichi, Vadakanandal, Vellimalai.
Safe (<70%) 8 Alathur, Ariyalur, KalvarayanMalai, Rishivandhiyam, Sangarapuram, Tirukoilur, Thirunavalur, Vadaponparapi
Others (Poor& Saline) 0  
Total 24  

Rural Habitations:

Total No. of Rural Habitations : 1201

Partially covered 17 (10-39 lpcd )
Fully covered 1184(40 lpcd and above)