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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 mmNormal Rainfall in mm
20132014201520162017
792.60685.701359.80680.91042.4936.04
 Geology:
Rock TypeGeological Formation
Sedimentary Rock 90%
Hard Rock 10%
Charnockite, Gneiss, Granite,
Syenits, Pyroxineite, Sandstone
and Shale and Alluvium
 Hydrogeology:
Type of Aquifer Discontinuous unconfined to semi
confined aquifers in the fissured
formations.
Aquifer parametersHard rockAlluvium
Well yield in lpm40 - 200 200 - 400
Transmissivity (T)m2/day 8 - 80200 - 300
Permeability (K)(m/day))0.5 - 2.520 - 30
Depth of Water level3 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:
 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
Check Dam Percolation Pond Recharge Pit Recharge Trench Others Ooranies Defunct Bore well Recharge Recharge Shaft Roof top RWH Hydro Fracturing Total
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 DistrictOver Exploited
 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
Over Exploited (>100%) 26 Ambalur, Ambur, Ammanankoil, Anaicut,
Arcot, Gudiyatham (West),
Gudiyatham(East), Pennathur, Jolarpet,
K.V.Kuppam, Kalavai, Katpadi, Thenvellore
Madhanur,Nemili, Pallikonda,
Pudupadi, Sathuvachari, Thuthipattu,
Timiri, Tirupathur, Ussoor,
Vaduganthangal, Valathur, Vaniyambadi,
VadaVellore
Critical (90%-100%) 8 Kaveripakkam, odugathur, Kandhili, Agaram, Alangayam, Kaniyambadi, Melpatti, MelasannanKuppam
Semi Critical (70%-90%) 17 Andiyappanur, Arakonam(South), Banavaram
, Koratti, Melpadi,
Natrampalli, Pallur,
Panapakkam, Paranji, Pernampattu,
Ranipet, Sholinghur, Thiruvalam, Velam,
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.NOName of Towns Population Present water supply level LPCD
Corporation
1Vellore 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
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
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