3/6/2017 TAMILNADU WATER SUPPLY AND DRAINAGE BOARD

Monday 6 March 2017 14:24:52 A‐ A A+ A A

TWAD BOARD TamilNadu Water Supply And Drainage Board

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DISTRICT PROFILE Home TamilNadu Map District Profile Print 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 Latude, 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 Habitaons in the District. DHARMAPURI Physiography and Drainage: DINDIGUL • Major rivers of the district are the Cauvery River and Ponnaiyar. R. Cauvery originang from Karnataka State enters the district at ERODE Hogenekkal, and drains into the Meur Dam in . KANCHIPURAM • Ponnaiyar is the other major river draining the district and is ephemeral in nature. It originates from Nandhi hills in Karnataka, enters west of Bagalur and flows almost in a south easterly direcon 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 Formaon SALEM Granite, Charnockite, Gneiss, Hard Rock SIVAGANGAI Pegmate, Quartzite THANJAVUR Hydrogeology: THENI Disconnuous unconfined to semi confined Type of aquifer THIRUVARUR aquifers in fissured formaons.

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 observaon 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 Percolaon 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 Potenal as on March 2011 (as per CGWB):

Net Groundwater Availability (in MCM) 375.84 Exisng Gross Groundwater dra for all users (in MCM) 497.30

Stage of Groundwater development (in %) 132

Categorizaon of District Over ‐Exploited

Categorizaon of Firkas: The status of Categorizaon of firkas as of March 2011 for the District is shown below.

Categorisaon based on Extracon (as on 2011) No. of Firkas Firkas

Bommidi, Indur, , , Karimangalam, , Palacode, Over Exploited (> 100%) 14 Palayam, Papparapay, , Perumbalai, Pulikarai, Thenkaraikoai, Vellichandai, Ayyampalayam

Crical (90%‐100%) ‐

Dharmapuri, , Krishnapuram, Semi Crical (70%‐90%) 8 Morappur, Nallampalli, Pappireddipay, Sunjalnatham, Theerthamalai, Safe (<70%) ‐

Others (Poor& Saline) ‐

Total 22

Water supply status as on 1.4.2016

Rural Habitaons Total No. of Rural Habitaons: 3445

Parally 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 Populaon Present water supply level LPCD Municipalies 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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