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Sunday , 26th September 2021
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Tenkasi District Profile

  • Tenkasi district is bounded by Virudhunagar district in the north, Thoothukudi district in the east, in the south by Tirunelveli district and by Kerala State in the west.
  • The District lies between 08º43'50’’N to 09º24'30’’N Latitude, 77º07'58’’E to 77º52'15’’E Longitude and has an areal extent of 2916 sq.km.

Physiography and Drainage

  • Tenkasi district falls in Tamiraparani river basin, Chittar river is the main river of the district.
  • The river has a large network of tributaries which includes the Karaiyar, Pampar, Jambunathi, Gadananathi, Kallar, Karunaiyar, Chittar, Gundar, Aintharuviar, Hanumanathi, Karuppanathi and Aluthakanniar draining the district.
  • The river Chittar originates from the hills in the west and confluences in Tamiraparani.
  • The other one river draining in the district is Uppodai river.
  • The small part of the district in the northern part falls in river Vaippar basin.

Geology:

Rock Type Geological Formation
Hard Rock 100% Charnockite, Gneiss, Granite, Granite, Pegmatite

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
1547 814 1139.6 733.4 1174.2 1184.3

Ground Water Level:

The Ground Water levels from the 26 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

10.5

7.5

1.9

4.2

12.5

25.1

7.6

17.9

5.7

10.3

12.99 7.66

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 2017 for the District in is shown below.

Categorisation based on Extraction (as on 2017) No. of Firkas Firkas
Over Exploited (>100%) 17 Ayikudi, Gudalur, Kallurani, Karisalkulam, Karivaklamvandanallur, Karuvantha, Keezhapavoor, Kurukkalpatti, Nettur, Pazhankottai, Puliyankudi, Sankarankoil, Sernthamangalam, Surandai, Uthumalai, Veerasigamani, Venkadampatti
Critical (90%-100%) 2 Kadayanallur, Veerakeralampudur
Semi Critical (70%-90%) 3 Alankulam, Thiruvengadem, Vasudevanallur
Safe (<70%) 8 Alwarkurichi, Elathur, Kadayam, Panpoli, Pudupatti, Shencottai, Sivakiri, Tenkasi
Others (Poor& Saline) 0  
Total 30  

Rural Habitations:

Total No. of Rural Habitations : 1000

Partially covered 210 (10-39 lpcd )
Fully covered 790(40 lpcd and above)