10/17/2018

Home TamilNadu Map Sivagangai District Profile Print SIVAGANGAI DISTRICT PROFILE • district is bounded by Pudukkottai district in the Northeast, district in the East, Virudhunagar district in the Southwest, and in the West. • The District is located between 09º 30'N to 10º 25'N Latitude, and 78º 07'E to 79º 01’E Longitude and has an areal extent of 4143 sq.km. • There are 12 Blocks, 445 Villages and 3352 Habitations in the District.

Physiography and Drainage: • The northern part of the District is drained by the rivers Pambar, Manimuttar and Sarugani rivers and the southern part is drained by . • The northern, western part of the district comprising of Tiruppathur taluk is a high ground studded will hillocks and residual hills. • The stretch trending north east to south west extending from Puduvayal to is an upland. The rest of the area is a plain alluvial terrain.

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 724.80 964.0 1116.20 710.9 967.5 872.46

Geology:

Rock Type Geological Formation Sandstone, Laterite, Silt, Sedimentary Rock 60% Alluvium, Charnockite, Gneiss, Hard Rock 40% Granite, Quartzite

Hydrogeology:

Unconfined in hard rocks.Semi confined Type of Aquifer to Confined in sedimentary. Aquifer parameters Hard rock formation Sedimentary Well yield in lpm 50 - 150 400 - 2200 Transmissivity (T)m2/day 20 - 70 300 - 2500 Permeability (K)(m/day)) 1.02 - 2.54 20.45 - 64.45 Depth of Water level 3 m to 10m

Ground Water Level:: The Ground Water levels from the 79 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 67 16 24 3 126 10 24 270

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

Net Groundwater Availability (in MCM) 985.89 Existing Gross Groundwater draft for all users (in MCM) 157.16 Stage of Groundwater development (in %) 16 % 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 Over Exploited (>100%) - Critical (90%-100%) - Semi Critical (70%-90%) 1 Varappur. Safe (<70%) 37 A. Thiruvuduirpuram, Devakottai, Ilayangudi, Ilayathakudi, Kalayarkovil, Kallal, Kandadevi, Kannangudi, Karaikudi, Konthagai, Mallal, Manamadurai, Maravamangalam,

2/3 10/17/2018 Mathagupatti, Mithravayal, Muthanenthal, Natchiyapuram, Nattarasankottai, Nerkuppai, Okkur, Pallathur, Periyakottai(S), Puzhiyal, S.S.Kottai, Sakkottai, Salaigramam, Sarugani, Seikalathur , Singampunari, Sivagangai, Sooranam, Thamarakki, Thayamangalam, Thirukostiyur , Thiruppachethy, Thiruppathur, Thiruppuvanam. Others (Poor& Saline) - Total 38

Water supply status as on 1.4.2017 Rural Habitations Total No. of Rural Habitations: 3352

Partially covered 286 (10-39 lpcd ) Fully covered 3066 (40 lpcd and above)

Urban Towns (Water supply status - Sep 2016)

S.NO Name of Towns Population Present water supply level LPCD Municipalities 1 Karaikudi 106714 112 2 Devakottai 51865 81 3 Sivaganga 40403 54 Town Panchayats 1 Thiruppuvanam 24554 72 2 Nattarasankottai 5860 76td> 3 Puduvayal 11284 76 4 Kanadukathan 5275 75 5 Ilayangudi 24767 50 6 Kottaiyur 14766 72 7 Kandanur 7696 76 8 Singampuneri 18143 81 9 Palathur 9580 81 10 Manamadhurai 32257 72 11 Thirupathur 25980 32 12 Nerkuppai 7165 34

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