12/6/2017 Home TamilNadu Map Theni District Profile Print THENI DISTRICT PROFILE • Theni district is bounded by Madurai District in the East, Kerala State in the West and South and Dindigul District in the North. • The District lies between 9º32'00’’N to 10º15'00’’N Latitude, 77º10'00’’E to 77º 40'00’’E Longitude and has an areal extent of 2869 sq.km. • There are 8 Blocks, 130 Villages and 790 Habitations in the District. Physiography and Drainage: • The district is bordered in the west by Western Ghats and Kerala State. The terrain slopes generally from west to east by the influence of Western Ghats hill ranges and some parts from South to North. • The Western Ghats is the main hill ranges present at the west and Andipatti hill ranges are bordering at South east part of the district. • The northern part of the district is covered by Kodaikanal hills. • Theni district forms parts of Vaigai River Sub catchment.The area is drained by a network of Rivers namely Vaigai River, Suruli Ar, Periyar River and Kottagudi River. • The tributaries of Vaigai River i.e. Koothantchi Ar, Kottagudi Ar, Theni Ar and some local streams are drained in this district. 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 2011 2012 2013 2014 2015 996.20 612.00 850.30 939.30 1171.90 720.00 Geology: Rock Type Geological Formation Charnockite, Gneiss, Granite, Hard Rock Laterite, Quartzite, Laterite, Kalkar and Alluvium Hydrogeology: Ground Water restricted to Type of Aquifer weathered mantle fracture zones having secondary porosity Well yield in lpm 45 - 135 Transmissivity (T)m2/day 15 - 60 Permeability (K)(m/day)) 0.98 - 2.45 Depth of Water level 5m to 12m Ground Water Level:: The Ground Water levels from the 21 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 12/6/2017 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 442 2 5 449 Groundwater Potential as on March 2011 (as per CGWB): Net Groundwater Availability (in MCM) 357.18 Existing Gross Groundwater draft for all users (in MCM) 307.78 Stage of Groundwater development (in %) 86 % Categorization of District Semi Critical 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 Erasakkanaickanur, Kandamanur, Over Exploited (>100%) 5 Kodivilarpatti, Rajathani, Thevaram. Critical (90%-100%) 1 Andipatti Cumbam, Devathanapatti, Kodangipatti, Semi Critical (70%-90%) 8 Mayladumparai, Rasingapuram, Theni, Thenkarai, Uthamapalayam. Safe (<70%) 3 Bodinayakanur, Chinnamanur, 2/4 12/6/2017 Markayankottai. Others (Poor& Saline) - Total 17 Water supply status as on 1.4.2016 Rural Habitations Total No. of Rural Habitations: 790 Partially covered 14 (10-39 lpcd ) Fully covered 776 (40 lpcd and above) Urban Towns (Water supply status - Sep 2016) S.NO Name of Towns Population Present water supply level LPCD Municipalities 1 Bodinayakanur 75675 90 2 Periyakulam 42976 73 3 Theni Alli Nagaram 94453 80 4 Kambam 68090 90 5 Chinnamanur 42305 80 6 Gudalur 38859 90 Town panchayats 1 Andipatti Jakkampatti 27287 70 2 B. Meenakshipuram 7846 74 3 Boothipuram 11022 71 4 Devadanapatti 19285 78 5 Ganguvarpatti 11942 78 6 Hanumanthampatti 10619 76 7 Highways 4882 65 8 Kamayagoundanpatti 16134 75 9 Kombai 15960 80 10 Kuchanur 7024 74 11 Markayankottai 6135 72 12 Melachokkanathapuram 15625 12 13 Odaipatti 13892 72 14 Palani Chettipatti 14879 78 15 Pannaipuram 9323 72 16 Pudupatti 11511 76 17 Thamaraikulam 12372 70 3/4 12/6/2017 18 Thenkarai 14838 70 19 Thevaram 16079 70 20 Uthamapalayam 29050 84 21 Vadugapatti 13204 70 22 Veerapandi 16158 70 4/4.