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 |
May |
Jan |
May |
Jan |
May |
Jan |
May |
Jan |
May |
5 Years |
5Years |
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.
Recharge Structures | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Check Dam | Percolation Pond | Recharge Pit | Recharge Trench | Others | Ooranies | Defunct Bore well Recharge | Recharge Shaft | Rooftop RWH | Hydro Fracturing | Total |
122 | 22 | 3 | 2 | 5 | 12 | 0 | 166 |
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) |