TAMILNADU WATER SUPPLY AND DRAINAGE BOARD


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DISTRICT PROFILE

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Thoothukudi District Profile

THOOTHUKUDI DISTRICT PROFILE

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SALIENT DETAILS
Profile	Location	Southern most of the State
	Lat.	N 8° 4' to 9° 27'
	Long.	E 77° 45' to 78° 20'
	Area	4621 Sq.kms
	No.of Taluks	8
	No. of Blocks	12
	No. of Villages	408
	No. of Habitations	1821

Physiographic	Type of Terrain	Undulating topography with high hills in the western part
	Elevation in m amsl
	Hills	Vallanadu hill, Kurumalai hills
	River	Tambraparani, Nambiyar, Korampallam, Kallar and Gundar
	Tributaries	Uppodai (Tributary of Tamiraparani)
Average annual Rainfall		672 mm
Climate		Tropical
Temperature in degree Celsius		Max: 27.8 to 35.5 Min: 21.7 to 26.5
Rivers Basin		Nambiyar, Tamiraparani, Kallar, Vaippar, Gundar
Geology		Sedimentaries comprising of Alluvium in the east and unclassified Gneiss in the West

Hydrogeology

Type of aquifer

Unconfined to Semi confined conditions

Aquifer parameters

Hard rock

Alluvial

Well yield (lpm):

45 – 135

315 – 1080

Transmissivity (T)(m 2/day)

15 – 60

210 – 1500

Permeability (K)(m/day)

1 – 3

19 - 48

Depth of Water level

5 m to 20m

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

( Based on Ground Water Estimation Committee report)

Utilisable ground water recharge

225.2MCM

Net Ground Water draft

195.0 MCM

Balance

30.2 MCM

BLOCKS WITH STAGE OF GROUNDWATER DEVELOPMENT ( As on January 2003 )

OVER EXPLOITED Greater than 100%

Kayathar

Kovilpatti

Ottapidaram

Sathankulam

Thoothukudi

Udangudi

Vilathikulam

CRITICAL Between 90 and 100%

Pudur

SEMI CRITICAL 70 and 90%

Karunkulam

Tiruchendur

SAFE Less than 70%

Alwarthirunagari

Srivaikundam

SALINE

Nil

RECHARGE STRUCTURES

Check Dams

Ooranies

Percolation Ponds

Defunct Borewell Recharge

Water supply status as on 1.4.2011

Rural Habitations

Total No. of Rural Habitations: 1841

Partially covered	94 (10-39 lpcd )
Fully covered	1747 (40 lpcd and above)

Urban Towns( Water Supply status - December 2011)

S.NO	Name of Towns	Population	Present water supply level LPCD
Corporation
1	Thoothukudi	288961	76
Municipalities
1	Kovilpatti	87450	48
2	Kayalpattinam	32664	68
Town Panchayats
1	Alwarthirunagar	8883	78
2	Sayarpuram	12771	75
3	Udangudi	19390	56
4	Vilathikulam	13540	66
5	Sathankulam	14206	88
6	Eral	9279	78
7	Srivaikundam	16221	70
8	Kayathar	9214	64
9	Kazhugumalai	14088	54
10	Arumuganeri	24856	71
11	Nazarath	16960	68
12	Thiruchendur	29581	42
13	Ettayapuram	12794	64
14	Atthur	9464	59
15	Thenthiruporai	5096	70
16	Kadambur	4370	71
17	Perungulam	6452	90
18	V.Pudur	8091	62
19	Kanam	3401	88