9/19/2018 Home TamilNadu Map Vellore District Profile Print VELLORE DISTRICT PROFILE • Vellore district is bounded by Kancheepuram District in the east, Tiruvannamalai and Dharmapuri districts in the south and State of Andhra Pradesh in the North. • The District lies between 12º15’23’’to 13º12'32’’ N Latitude, 78º24’16’’ to 79º54’56’’E Longitude and has an areal extent of 6077 sq.km. • There are 20 Blocks, 743 Villages and 6012 Habitations in the District. Physiography and Drainage: • Vellore district can be broadly classified as hilly terrains and plain regions. • The east of Eastern Ghats where lies the Palar plain region • The region is mostly undulating and sloping towards east. • The river Palar in its course is successively enriched by the tributaries Malattar, Koundinyanadhi, Poiney and Cheyyar. • Palar is not a perennial river and occurrence of flood is very rare and of very short duration • R. Cheyyar is the major tributaries of R.Palar, originates from Javadhu hills. • However river Palar has good thickness of Alluvium all through 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 792.60 685.70 1359.80 680.9 1042.4 936.04 Geology: Rock Type Geological Formation Charnockite, Gneiss, Granite, Sedimentary Rock 90% Syenits, Pyroxineite, Sandstone Hard Rock 10% and Shale and Alluvium Hydrogeology: Discontinuous unconfined to semi Type of Aquifer confined aquifers in the fissured formations. Aquifer parameters Hard rock Alluvium Well yield in lpm 40 - 200 200 - 400 Transmissivity (T)m2/day 8 - 80 200 - 300 Permeability (K)(m/day)) 0.5 - 2.5 20 - 30 Depth of Water level 3 m to 13m Ground Water Level:: The Ground Water levels from the 53 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 9/19/2018 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 744 6 6 7 30 793 Groundwater Potential as on March 2011 (as per CGWB): Net Groundwater Availability (in MCM) 592.80 Existing Gross Groundwater draft for all users (in MCM) 621.44 Stage of Groundwater development (in %) 105% Categorization of District Over Exploited Categorization of Firkas: The status of Categorization of firkas as of March 2011 for the District is shown below. Categorisation based on No. of Firkas Extraction (as on 2011) Firkas Ambalur, Ambur, Ammanankoil, Anaicut, Arcot, Gudiyatham (West), Gudiyatham(East), Pennathur , Jolarpet, K.V.Kuppam, Kalavai, Katpadi, Thenvellore Over Exploited (>100%) 26 Madhanur,Nemili, Pallikonda, Pudupadi, Sathuvachari, Thuthipattu, Timiri, Tirupathur, Ussoor, Vaduganthangal, Valathur, Vaniyambadi, VadaVellore 2/4 9/19/2018 Critical (90%-100%) 8 Kaveripakkam, odugathur, Kandhili, Agaram, Alangayam, Kaniyambadi, Melpatti, MelasannanKuppam Andiyappanur, Arakonam(South), Banavaram , Koratti, Melpadi, Natrampalli, Pallur, Semi Critical (70%-90%) 17 Panapakkam, Paranji, Pernampattu, Ranipet, Sholinghur, Thiruvalam, V elam, Visharam, Mambakkam, Walajah Safe (<70%) 2 Arakonam(North), Pudurnadu.. Others (Poor& Saline) Total 53 Water supply status as on 1.4.2017 Rural Habitations Total No. of Rural Habitations: 6012 Partially covered 0 (10-39 lpcd ) Fully covered 6012 (40 lpcd and above) Urban Towns (Water supply status - Sep 2016) S.NO Name of Towns Population Present water supply level LPCD Corporation 1 Vellore 185803 115 Municipalities 1 Walajapettai 47498 87 2 Ranipet 50764 89 3 Tirupathur 64125 91 4 Arakonam 78395 91 5 Arcot 55955 97 6 Gudiyatham 91558 90 7 Ambur 114608 94 8 Vaniyampadi 95061 85 9 Melvisharam 44786 92 10 Pernampattu 51271 78 11 Jolarpet 29662 93 Town Panchayats 1 Alangayam 18327 70 2 Ammoor 12513 70 3 Kalavai 9773 72 4 Kaveripakkam 14583 70 3/4 9/19/2018 5 Natrampalli 10390 72 6 Nemili 10806 74 7 Odugathur 8998 70 8 Pallikonda 23067 79 9 Panapakkam 11536 70 10 Pennathur 9425 74 11 Sholingur 30856 78 12 Thakkolam 13983 76 13 Thiruvalam 9153 76 14 Timiri 16246 73 15 Uthayendram 13837 70 16 Vilapakkam 8174 75 4/4.