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Home TamilNadu Map Villupuram District Profile Print VILLUPURAM DISTRICT PROFILE • Villuppuram district is bounded by Bay of Bengal and the union Territory of in the east, Kancheepuram and Tiruvannamalai districts in the north, and Perambalur districts in the south and Dharmapuri and Salem districts in the west. • The District lies between 11º30’00’’ to 12º35’00’’ North Latitude, and 78º37’00’’ to 80º00’00’’ East Longitude and has an areal extent of 7190 sq.km. • There are 22 Blocks, 1099 Villages and 4883 Habitations in the District.

Physiography and Drainage: • Villupuram district can be divided into 3 classes’ viz., Hilly terrains, Plain terrain and coastal plains. • The hills are found in the western part of the district and they are Kalrayan and Ginjee hills falling under and Ginjee taluks respectively. • Plain terrain occurs in the middle part of this district, while the coastal plains lie in the eastern part of the district in and around Marakanam and Vanur taluks. • The major rivers draining the district are Tondiar, Pennaiyar and Vellar.

Rainfall: The average annual rainfall and the 5 years rainfall collected from IMD, is as follows:

Acutal Rainfall in mm Normal Rainfall in mm 2011 2012 2013 2014 2015 1085.50 898.40 790.30 963.30 1375.50 1011.60

Geology:

Rock Type Geological Formation Charnockite, Granite, Gneiss, Sedimentary Rock 60% Limestone, Pegmatite, Laterite, Hard Rock 40% Sandstone and Shale, Lignite and Alluvium

Hydrogeology:

Groundwater restricted to 60 to 80m depth in Type of Aquifer weathered fracture zones having secondary porosity. Aquifer parameters Alluvium Tertiary Hard rock Well yield in lpm 2.5 2 ­ 3.3 1 ­ 2 Transmissivity (T)m2/day 98 16 ­ 33 5 ­ 20 Specific capacity (lpm/md) 19.7 46 ­ 134 16 ­ 60 Permeability (K)(m/day)) 2.08 78 ­ 173 27 ­ 224 Depth of Water level 4m to 14m

Ground Water Level:: The Ground Water levels from the 89 number of observation wells of TWAD have been analysed for Post­Monsoon and Pre­ Monsoon. Since 1991 average Ground water level in m Below Ground Level for pre and post monsoon is as follows:

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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 332 2 86 7 5 50 482

Groundwater Potential as on March 2011 (as per CGWB):

Net Groundwater Availability (in MCM) 1498.28 Existing Gross Groundwater draft for all users (in MCM) 1539.35 Stage of Groundwater development (in %) 103% 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 Extraction (as on 2011) No. of Firkas Firkas Over Exploited (>100%) 32 Anniyur, (V), Avalurpettai, Brammadesam, Chithalingamadam, Elavanasurkottai, Eraiyur, , Indili, Kalamarudur, Kanjanur, Kiliyanur, , Melmalaiyanur , Melolakkur, Nagalur, Nainarpalayam, Nemili, Olakkur, Sathampati, Sathiyamangalam, Siruvadi, Sithalampattu, T.V.Nallur, Thiyagadurgam, ,

2/4 3/6/2017 , Uppuvelur, Vadasiruvalur, Vallam (V), Vanur, Vikkiravandi, Cholapuram (V). Critical (90%­100%) 2 Chinnaselam, Mailam. , Kallakurichi, Kanai, Kandamangalam, Manalurpettai, Semi Critical (70%­90%) 10 Rishivandhiyam, Sengurichi, Thirukovilur, Vadakanandal, Villupuram. Alathaur, Ariyalur(V), Deevanur, Kalvarayan malai, Mugaiyur, Rettanai, Safe (<70%) 11 sankarapuram, Thirunavalur, Thiruppalapandal, Vadaponparapi, . Others (Poor& Saline) ­ Total 55

Water supply status as on 1.4.2016 Rural Habitations Total No. of Rural Habitations: 4883

Partially covered 0 (10­39 lpcd ) Fully covered 4883 (40 lpcd and above)

Urban Towns (Water supply status ­ Sep 2016)

S.NO Name of Towns Population Present water supply level LPCD Municipalities 1 Villupuram 96253 71 2 Thindivanam 72796 57 3 Kallakurichi 52507 75 Town Panchayats 1 Ulundurpettai 23734 70 2 9623 70 3 Vickravandi 12022 70 4 Vadakkananthal 23034 70 5 Manalurpettai 8523 75 6 Thirukovilur 30212 70 7 31726 90 8 18605 70 9 15664 70 10 Valavanur 16745 80 11 6892 70 12 Gingee 27045 70 3/4 3/6/2017

13 Arakandanallur 5713 75 14 25106 70 15 Marakkanam 22034 72

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