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CUDDALORE DISTRICT PROFILE
• Cuddalore district is bounded by Villuppuram district in the north and northwest, Perambalur district in the southwest, and Ariyalur and Nagapattinam districts in the South and Bay of Bengal in the east.
• Cuddalore district lies between 11º09'00’’N to 11º53'00’’ N Latitude, 78º52'00’’E to 79º51’00’’E Longitude and has an areal extent of 3706 sq.km
• There are 13 Blocks, 683 Villages and 3639 Habitations in the District.
 Physiography and Drainage:
• Cuddalore district being a coastal zone is mostly covered by plain terrain, without any high relief zone except some sedimentary high ground in Virudhachalam, Cuddalore and Panruti blocks.
 Rainfall: :
Acutal Rainfall in mmNormal Rainfall in mm
20132014201520162017
977.71218.11705.7574.61379.11206.12
 Geology:
Rock Type Geological Formation
Sedimentary Rock 90%
Hard Rock 10 %
Sandstone, Conglomerate,
Gneiss, Charnockite, Marine
deposits and Alluvium
 Hydrogeology:
Type of aquifer Fairly thick but discontinuous confined to semi confined aquifers.
Aquifer parameters Well yield in lpm Alluvium
150
Tertiary
Hard rock
Hard rock
60-120
Transmissivity (T) m 2 /day98 46-134 16-160
Permeability (K) m/day19.7 16-33 5 – 20
Sp. capacity. lpm/m-d208 78.17 27-224
 Ground Water Level::
The Ground Water levels from the 42 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:
 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 Dam Percolation Pond Recharge Pit Recharge Trench Others Ooranies Defunct Bore well Recharge Recharge Shaft Roof top RWH Hydro Fracturing Total
119 2 3 5 5 17 25 0 176
 Groundwater Potential as on March 2011 (as per CGWB):
Net Groundwater Availability (in MCM)1237.08
Existing Gross Groundwater draft for all users (in MCM) 1066.76
Stage of Groundwater development (in %)86
Categorization of DistrictSemi Critical
 Categorization of Firkas:

The status of Categorization of Firkas as of March 2013 for the District in is shown below.

Categorisation based on Extraction (as on March 2013)) No. of Firkas Firkas
Over Exploited (>100%) 6 Kammapuram(E), Kammapuram(W),
Retty Chavadi,
Thiruvanthipuram, Umangalam,
Virudhachalam (S),
Critical (90%-100%) 2 Nellikuppam,
Sirupakkam
Semi Critical (70%-90%) 7 Panruti, Sethiyathope, Thozhudur,Manjakkuppam
Tittagudi (E), Veppur, Sirupakkam
Safe (<70%) 17 Bhuvanagiri, Chidambaram,
Kadampuliyur, Kattumannarkoil,
Virudhachalam(N),Kullanchavadi, Kumarachi, Kurinjipadi,
Marungur, Nallur, Orathur,
ParangipettAI, Puthur, Srimushnum,
Thiruvakulam, Tittagudi (W),
Udaiyarkudi
Others (Poor& Saline) -
Total 32
Water supply status as on 1.4.2017
Rural Habitations
Total No. of Rural Habitations3639
Partially covered0 (10-39 lpcd )
Fully covered3639 (40 lpcd and above)
 Urban Towns (Water Supply Status - Sep 2016)
S.NOName of Towns Population Present water supply level LPCD
Municipalities
1 Panruti 60323 94
2 Nellikuppam 46678 94
3 Chidambaram 62153 89
4 Virudhachalam 73585 83
5 Cuddalore 173636 50
Town Panchayats
1 Bhuvanagiri 21956 54
2 Kattumannarkoil 27294 70
3 Thorapadi 7659 85
4 Annamalai Nagar 16289 52
5 Pennadam 19494 85
6 Thirumushnam 13971 71
7 Kurinjipadi 27471 71
8 Thittakudi 22894 70
9 Killai 13608 71
10 Gangaikondan 6434 52
11 Parangipattai 25541 63
12 Lalapettai 16561 73
13 Melpattampakkam 6887 98
14 Sethithoppu 8824 70
15 Mangalampettai 9278 70
16 Vadalur 39514 73
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