TAMILNADU WATER SUPPLY AND DRAINAGE BOARD


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DISTRICT PROFILE

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Cuddalore District Profile

CUDDALORE DISTRICT PROFILE

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SALIENT DETAILS
Profile	Location	Northern District
	Lat.	N 11° 9' and 11° 49 '
	Long.	E 78° 52' and 79° 50'
	Area	3678 Sq. Kms
	No.of Taluks	6
	No. of Blocks	13
	No. of Villages	683
	No. of Habitations	3447

Physiography	Type of Terrain	Gentle plain topography
	Elevation in m amsl	Min: 20 Max: 160
	River	Vellar Pennaiyar Kollidam
	Tributaries	Manimukta, Gomuki, Mayura,Thurinjalar, Musukundha, Malattar
Average Annual Rainfall		1212mm
Climate		Tropical
Temperature in degree Celsius		Max: 30.16 to 40.34 Min: 20.37 to 26.68
River Basins		Pennaiyar, Vellar, Kollidam
Geology		Hard rock and sedimentary formations. Granitic gneiss, Hornnblende, and Charnockite in western part. The rest of the area: Cuddalore sandstones, Clay, Gravel of unconsolidated formations.

Hydrogeology

Type of aquifer

Farily thick but discontinuous confined to semi confined aquifers.

Aquifer parameters
Well yield in lps

Alluvium Tertiary Hard rock
2.5 2.5 1-2

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

Depth of Water level

15m to 25m

GROUND WATER POTENTIAL AS ON JANUARY 2003 (AS PER CGWB & PWD)

( Based on Ground Water Estimation Committee report)

Utilisable ground water recharge

1564.6MCM

Net Ground Water draft

1105.1MCM

Balance

459.4MCM

BLOCKS WITH STAGE OF GROUNDWATER DEVELOPMENT ( As on March 2004)

OVER EXPLOITED Greater than 100%

Nil

CRITICAL Between 90 and 100%

Nil

SEMI CRITICAL 70 and 90%

Annagramam

Cuddalore

Kammapuram

Kurinjipadi

Mangalore

Nallur

Panruti

Vridhachalam

SAFE Less than 70%

Keerapalayam

Kumaratchi

Parangipettai

Melbhuvanagiri

Kattumannarkovil

SALINE

Nil

RECHARGE STRUCTURES

Check Dams

Percolation Ponds

Recharge Trenchs

Ooranies

Defunct borewell recharge

Water supply status as on 1.4.2011

Rural Habitations

Total No. of Rural Habitations

3457

Partially covered	78 (10-39 lpcd )
Fully covered	3379 (40 lpcd and above)

Urban Towns (Water Supply Status - December 2011)

S.NO	Name of Towns	Population	Present water supply level LPCD
Municipalities
1	Panruti	55346	95
2	Nellikuppam	44222	99
3	Chidambaram	57733	61
4	Virudhachalam	60164	90
5	Cuddalore	158634	90
Town Panchayats
1	Bhuvanagiri	19879	55
2	Kattumannarkoil	22426	52
3	Thorapadi	5523	70
4	Annamalai Nagar	10062	70
5	Pennadam	18166	70
6	Thirumushnam	11992	59
7	Kurinjipadi	22883	77
8	Thittakudi	20735	70
9	Killai	9899	70
10	Gangaikondan	10483	70
11	Parangipattai	20912	57
12	Lalapettai	13817	70
13	Melpattampakkam	6598	76
14	Sethithoppu	7963	76
15	Mangalampettai	7281	70
16	Vadalur	26016	73