10/17/2018 Home TamilNadu Map Tirunelveli District Profile Print TIRUNELVELI DISTRICT PROFILE • Tirunelveli district is bounded by Virudhunagar district in the north, Thoothukudi district in the east, in the south by Gulf of Mannar and by Kerala State in the west and Kanniyakumari in the southwest. • The District lies between 08º08'09’’N to 09º24'30’’N Latitude, 77º08'30’’E to 77º58'30’’E Longitude and has an areal extent of 6810 sq.km. • There are 19 Blocks, 425 Villages and 2579 Habitations in the District. Physiography and Drainage: • Tirunelveli district falls in Tamiraparani river basin, which is the main river of the district. • The river has a large network of tributaries which includes the Peyar, Ullar, Karaiyar, Servalar, Pampar, Manimuthar, Varahanathi, Ramanathi, Jambunathi, Gadana nathi, Kallar, Karunaiyar, Pachaiyar, Chittar, Gundar, Aintharuviar, Hanumanathi, Karuppanathi and Aluthakanniar draining the district. • The river Tamiraparani originates from the hills in the west and enters Thoothukudi District and finally confluences in Bay of Bengal. • The other two rivers draining the district are river Nambiar and Hanumanathi of Nanguneri taluk in the south that are not part of the Tamiraparani river basin. • The small part of the district in the northern part falls in river Vaippar basin. Rainfall: The average annual rainfall and the 5 years rainfall collected from IMD, Chennai is as follows: Acutal Rainfall in mm Normal Rainfall in mm 2013 2014 2015 2016 2017 918.20 1348.50 1546.80 411.90 1127 844.3 Geology: Rock Type Geological Formation Charnockite, Gneiss, Granite, Hard Rock 90% Granite, Pegmatite, Sandstone, Sedimentary Rock 10% Limestone, Sandy clay, Alluvium Hydrogeology: Type of Aquifer Unconfined to Semi confined conditions Aquifer parameters Alluvium Hard rock Well yield in lpm 8 - 854 3 - 212 Transmissivity (T)m2/day 0.1 - 44 0.1 - 27 Permeability (K)(m/day)) 2.2 - 34 0.15 - 6 Depth of Water level 2m to 14m Ground Water Level:: The Ground Water levels from the 63 number of observation wells of TWAD have been analysed for Post-Monsoon and Pre- Monsoon. Since 1991 average Ground water level in m Below Ground Level for pre and post monsoon is as follows: 1/4 10/17/2018 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 is as under. Recharge Structures Roof Check Percolation Recharge Recharge Defunct Bore Recharge Hydro Others Ooranies top Total Dam Pond Pit Trench well Recharge Shaft Fracturing RWH 220 54 3 2 5 28 30 342 Groundwater Potential as on March 2011 (as per CGWB): Net Groundwater Availability (in MCM) 888.32 Existing Gross Groundwater draft for all users (in MCM) 516.62 Stage of Groundwater development (in %) 58 % Categorization of District Safe Categorization of Firkas: The status of Categorization of firkas as of March 2011 for the District is shown below. Categorisation based on Extraction (as on 2011) No. of Firkas Firkas Kallurani, Karisal Kulam, Karivaklamvandanallur, Karuvantha, Kurukkalpatti, Pazhankottai, Pazhavoor , Over Exploited (>100%) 15 Sankarankoil, Nettur Sernthamangalam, Surandai, Uthumalai, Vannikonenthal, Veerasigamani, Keezhapavoor . Ayikudi, Gudalur,Puliyankudi Critical (90%-100%) 6 RadhaPuram,Thiruvengadem,V enkadampatti. 2/4 10/17/2018 Semi Critical (70%-90%) 9 Levinjipuram, Manur, Alankulam, Kadayanallur, Sivanthipatti, Thalaiyuthu, Tisayanvilai Vasudevanallur, Veerakeralampudur. Alwarkurichi, Panagudi, Ambasamudram, Cheranmahadevi, Valliyoor Elathur, Eruvadi, Gangaikondan, Kadayam, Kalakadu, Madhavakurichi, Melapattam, Melaseval, Moolakaraipatti, Mukkudal, Safe (<70%) 30 Muneer Pallam, Nanguneri, Naranammalpuram, Palayamkottai, Panpoli, Pappakudi, Poolam, Pudupatti, Samugarengapuram, Shencottai, Singampatti, Sivagiri, Tenkasi, Tirunelveli, Vijayanarayanapuram. Others (Poor& Saline) - Total 60 Water supply status as on 1.4.2017 Rural Habitations Total No. of Rural Habitations: 2511 Partially covered 275 (10-39 lpcd ) Fully covered 2236 (40 lpcd and above) Urban Towns (Water supply status - Sep 2016) S.NO Name of Towns Population Present water supply level LPCD Corporation 1 Thirunelveli 473637 110 Municipalities 1 Sankarankoil 57277 99 2 Kadayanallur 90364 80 3 Thenkasi 70545 83 4 Puliyankudi 66034 85 5 Shenkottai 57277 80 6 Ambasamudram 35645 92 7 Vickiramasingapuram 47241 92 Town Panchayats 1 Achampudur 13566 84 2 Alangulam 20948 90 3 Alwarkurichi 10045 70 4 Aygudi 15129 80 5 Cheranmadevi 18327 70 3/4 10/17/2018 6 Courtalam 2089 368 7 Eruvadi 18067 61 8 Gopalasamudram 10694 71 9 Ilanji 10282 77 10 Kalakkad 30921 75 11 Kalladaikurichi 26398 72 12 Keezhapavur 22231 102 13 Manimutharu 11323 72 14 Melacheval 8435 83 15 Melagaram 14535 92 16 Moolakaraipatti 11112 63 17 Mukkudal 14983 70 18 Nanguneri 6640 108 19 Naranammalpuram 17094 117 20 Panagudi 29895 74 21 Panboli 9313 107 22 Pathamadai 16625 60 23 Pudur (S) 12457 88 24 Rayagiri 11223 85 25 Sambavar Vadagarai 16709 89 26 Sankarnagar 7095 78 27 Sivagiri 23040 78 28 Sundarapandiapuram 8987 88 29 Surandai 35272 68 30 Thirukarungudi 9342 75 31 Thiruvenkatam 8337 85 32 Thisayanvilai 23702 60 33 Vadakarai Keezhpadugai 20821 66 34 Vadakkuvalliyur 29417 68 35 Vasudevanallur 21361 89 36 Veeravanallur 19585 72 4/4.