3/6/2017 TAMILNADU WATER SUPPLY AND DRAINAGE BOARD
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TWAD BOARD TamilNadu Water Supply And Drainage Board
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DISTRICT PROFILE Home TamilNadu Map Dharmapuri District Profile Print DHARMAPURI DISTRICT PROFILE TAMILNADU • Dharmapuri district is bounded by Krishnagiri district in the North, Tiruvannamalai and Villuppuram districts in the East, Salem ARIYALUR district in the South and R.Cauvery in the west. • The District lies between 11º47'40’’N to 12º33’40’’ N La tude, 77º33'30’’E to 78º40'00’’E Longitude and has an areal extent of 4498 COIMBATORE sq.km. CUDDALORE • There are 8 Blocks, 251 Villages and 3445 Habita ons in the District. DHARMAPURI Physiography and Drainage: DINDIGUL • Major rivers of the district are the Cauvery River and Ponnaiyar. R. Cauvery origina ng from Karnataka State enters the district at ERODE Hogenekkal, and drains into the Me ur Dam in Salem district. KANCHIPURAM • Ponnaiyar is the other major river draining the district and is ephemeral in nature. It originates from Nandhi hills in Karnataka, enters Tamil Nadu west of Bagalur and flows almost in a south easterly direc on ll it reaches Doddampa from where it takes an easterly KANYAKUMARI course. KARUR • Pambar, Vaniyar and Kallar are the important tributaries of Ponnaiyar draining the eastern part of the district whereas the Chinnar and Markandeya Nadhi drain the northern part of the district. KRISHNAGIRI MADURAI Rainfall: NAGAPATTINAM The average annual rainfall and the 5 years rainfall collected from IMD, Chennai is as follows: NAMAKKAL Acutal Rainfall in mm Normal Rainfall in mm NILGIRI 2011 2012 2013 2014 2015 PERAMBALUR 920.3 720.10 801.4 765.6 1067.3 902.1 PUDUKOTTAI Geology: RAMANATHAPURAM Rock Type Geological Forma on SALEM Granite, Charnockite, Gneiss, Hard Rock SIVAGANGAI Pegma te, Quartzite THANJAVUR Hydrogeology: THENI Discon nuous unconfined to semi confined Type of aquifer THIRUVARUR aquifers in fissured forma ons.
THIRUVELLORE Aquifer parameters: Well yield in lpm 36 – 1125 THOOTHUKUDI Transmissivity (T) m2/day 8 – 73 TIRUCHIRAPALLI Permeability (K)m/day 0.78 ‐ 23 TIRUNELVELLI Depth of Water level 8m to 25m TIRUPPUR Ground Water Level:: TIRUVANNAMALAI The Ground Water levels from the 37 number of observa on wells of TWAD have been analysed for Post‐Monsoon and Pre‐Monsoon. VELLORE Since 1991, average Ground water level in m Below Ground Level for pre and post monsoon is as follows: VILLUPURAM VIRUDHUNAGAR
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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
Check Percola on Recharge Recharge Defunct Bore well Recharge Roof top Hydro Others Ooranies Total Dam Pond Pit Trench Recharge Sha RWH Fracturing
356 3 6 3 25 393
Groundwater Poten al as on March 2011 (as per CGWB):
Net Groundwater Availability (in MCM) 375.84 Exis ng Gross Groundwater dra for all users (in MCM) 497.30
Stage of Groundwater development (in %) 132
Categoriza on of District Over ‐Exploited
Categoriza on of Firkas: The status of Categoriza on of firkas as of March 2011 for the District is shown below.
Categorisa on based on Extrac on (as on 2011) No. of Firkas Firkas
Bommidi, Indur, Kadathur, Kambainallur, Karimangalam, Marandahalli, Palacode, Over Exploited (> 100%) 14 Palayam, Papparapa y, Pennagaram, Perumbalai, Pulikarai, Thenkaraiko ai, Vellichandai, Ayyampalayam
Cri cal (90%‐100%) ‐
Dharmapuri, Harur, Krishnapuram, Semi Cri cal (70%‐90%) 8 Morappur, Nallampalli, Pappireddipa y, Sunjalnatham, Theerthamalai, Safe (<70%) ‐
Others (Poor& Saline) ‐
Total 22
Water supply status as on 1.4.2016
Rural Habita ons Total No. of Rural Habita ons: 3445
Par ally covered 5 (10‐39 lpcd )
Fully covered 3440 (40 lpcd and above) http://www.twadboard.gov.in/twad/dharmapuri_dist.aspx 2/3 3/6/2017 TAMILNADU WATER SUPPLY AND DRAINAGE BOARD
Urban Towns (Water supply status ‐ Sep 2016)
S.NO Name of Towns Popula on Present water supply level LPCD Municipali es 1 Dharmapuri 68619 121 Town Panchayats 1 Marandahalli 12451 70 2 Karimangalam 13511 70 3 Palakode 20959 71 4 Harur 25469 72 5 Kadathur 11382 72 6 P.Mallapuram 12705 70 7 Pappireddipa 9369 72 8 Kambainallur 12194 73 9 Pennagaram 17480 70
10 Papparapa 12174 73
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