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Home TamilNadu Map Pudukottai District Profile Print PUDUKKOTAI DISTRICT PROFILE • district is bounded by Thanjavur district in the East, Thiruchirappali in the North and west, and Ramanathapuram Districts in the South and Bay of Bengal in the south east. • The District lies between 9º51’00” to 10º44'40”N Latitude, 78º25'30”E to 79º16'15”E Longitude and has an areal extent of 4651 sq.km. • There are 13 Blocks, 497 Villages and 4558 Habitations in the District.

Physiography and Drainage: • Pudukottai district has an undulating topography with a gentle slope towards East-North East along the coast. • There are no major hill ranges in this district, except some detached patches of residual hills at , Kudimiyanmalai, Sithannavasal, and . • There is no perennial river, however Agniar,Vellar,Koraiyar,Gundar, etc are some of the seasonal rivers that drain the district. • The rivers Vellar and pambar flow in the N.W.S.E direction. Apart from these rivers there are approximately 5451 shallow inter connected tanks which are mainly rainfed.

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

Acutal Rainfall in mm Normal Rainfall in mm 2013 2014 2015 2016 2017 613.70 794.9 1096.5 470.8 724.4 887.08

Geology:

Rock Type Geological Formation CharnockGneiss, Granite, Charnockite, Hard Rock 60% Quartzite, Pegmatite,Laterite, Sedimentary Rock 40% Sandstone, Alluvium and Marine Deposit

Hydrogeology:

Water Table conditions in hard rock Water table to Type of Aquifer confined conditions in the sedimentary terrain Aquifer parameters Hard rock Cretaceous Tertiary Well yield in lpm 1 - 2 3 - 4 5 - 10 Transmissivity (T)(m 2/day) 5 - 25 9 - 47 89 - 157 Permeability (K)(m/day) 3 - 16 0.5 - 2.8 1.5 - 3.0 Depth of Water level 1.3 m to 12m

Ground Water Level:: The Ground Water levels from the 24 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:

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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 7 45 19 169 15 40 16 0 311

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

Net Groundwater Availability (in MCM) 1431.08 Existing Gross Groundwater draft for all users (in MCM) 314.38 Stage of Groundwater development (in %) 22 % 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 No. of Firkas 2011) Firkas Over Exploited (>100%) - Critical (90%-100%) 0 Alangudi, Arasarkulam, , Karaiyur, Semi Critical (70%-90%) 5 Viralimalai. Safe (<70%) 36 Aranthangi, Arasamalai, Athani, , Embal, , Illuppur, Kallakkottai,

2/3 7/2/2018 Karambakudi, Keelanilai, Keeranur, Killukkottai, Kodumbalur, Kottur(P), Kudumiyanmalai, Kunnandarkoil, Malaiyur(P), Manamelkudi, Mimisal, Nagudi, Narthamalai, Neerpalani, Ponnamaravathy, Ponpette, Poovathakudi, Pudukkottai, Pudunagar, Sengeerai, , , Thirumayam, Vallanadu, Varappur(P), Veerapatty, Vennavalkudi, Virachilai. Kottaipattinam, Perumaruthur, Others (Poor& Saline) 3 Sinkavanam. Total 44

Water supply status as on 1.4.2016 Rural Habitations Total No. of Rural Habitations: 4558

Partially covered 1795 (10-39 lpcd ) Fully covered 2763 (40 lpcd and above)

Urban Towns (Water supply status - Sep 2016)

S.NO Name of Towns Population Present water supply level LPCD Municipalities 1 40814 99 2 Pudukkottai 117638 80 Town Panchayats 1 Karambakudi 14626 90 2 Eluppur 14127 71 3 12676 71 4 Keeranur 11667 73 5 Alangudi 12367 75 6 Keeramangalam 9357 111 7 Annavasal 8906 70 8 8948 81

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