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Monday , 29th November 2021
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Cuddalore District Profile

  • Cuddalore district is bounded by Villupuram 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.

Geology:

Rock Type Geological Formation
Sedimentary Rock 90% Hard Rock 10 % Sandstone, Conglomerate, Gneiss, Charnockite, Marine deposits and Alluvium

Rainfall:

Acutal Rainfall in mm Normal Rainfall in mm
2013 2014 2015 2016 2017 2018
977.7 1218.1 1705.7 574.6 1379.1 965.0 1206.7

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 /day 98 46-134 16-160
Permeability (K) m/day 19.7 16-33 5 – 20
Sp. capacity. lpm/m-d 208 78.17 27-224

Ground Water Level:

The Ground Water levels from the 42 number of observation wells of TWAD have been analyzed for Post-Monsoon and Pre-Monsoon. Since 1991, the average Groundwater level in m Below Ground Level for pre and post-monsoon is as follows:

5 years average Ground water level in m Below Ground Level for pre and post monsoon is as follows:

Jan
2013

May
2013

Jan
2014

May
2014

Jan
2015

May
2015

Jan
2016

May
2016

Jan
2017

May
2017

Jan
2018
May
2018
Jan
2019
May
2019

5 Years
Pre Monsoon
Average

5Years
Post Monsoon
Average

10.70

15.26

22.10

26.35

21.44

26.52

18.41

25.65

31.1

36.1

28.1 22.3 29.7 17.6

23.0

20.3

Sustainability:

With a view to enhancing the Sustainability of the drinking water sources, recharge structures are being implemented by TWAD Board under various State and Central Government assistance.

The Recharge Structures implemented so far is as under

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 District 86

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,
Thiruvananthapuram, Mangalam,
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 1.4.2021

Rural Habitations

Total No. of Rural Habitations 2403

Partially covered 12 (10-39 lpcd )
Fully covered 2391 (40 lpcd and above))

Urban Towns (Water Supply Status - 1.4.2018)

S.No Name of Towns Population Present water supply level LPCD
Municipalities
1 Panruti 60323 90
2 Nellikuppam 46678 90
3 Chidambaram 62153 85
4 Virudhachalam 73585 90
5 Cuddalore 173636 90
Town Panchayats
1 Bhuvanagiri 21956 75
2 Kattumannarkoil 27294 76
3 Thorapadi 7659 83
4 Annamalai Nagar 16289 81
5 Pennadam 19494 75
6 Thirumushnam 13971 75
7 Kurinjipadi 27471 75
8 Thittakudi 22894 75
9 Killai 13608 80
10 Gangaikondan 6434 78
11 Parangipattai 25541 90
12 Lalapettai 16561 80
13 Melpattampakkam 6887 91
14 Sethithoppu 8824 70
15 Mangalampettai 9278 72
16 Vadalur 39514 78