TAMILNADU WATER SUPPLY AND DRAINAGE BOARD


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DISTRICT PROFILE

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TIRUNELVELI DSTRICT PROFILE

TIRUNELVELI DSTRICT PROFILE

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SALIENT DETAILS
Profile	Location	South most of the State
	Lat.	N 8° 4' to 9° 27'
	Long.	E 77° 06' to 78° 0'
	Area	6810 Sq.kms
	No.of Taluks	11
	No. of Blocks	19
	No. of Villages	425
	No. of Habitations	2464

Physiographic	Type of Terrain	Undulating topography with hills
	Maximum elevation:	1870 m
	Minimum elevation:	15 m
	Hills	Shevroy, Kalrayan, Chitteri, Pachamalai, Palamalai
	River
	Major rivers:	Tambaraparani, Nambiar, Nichambanathi,(Vaippar Basin )
	Tributaries	Chittar, Gadana, Ramanadhi, Karuppanathi, Karamaniyar, Pachaiyar, Kodumudiyar.
Average annual Rainfall		955 mm
Climate		Tropical
Temperature in degree Celsius		Min. Temperature : 22.9° C Max. Temperature: 33.5° C
River Basin		Thambaraparani Vaippar (part) Nambiar
Geology		Mainly hard rock comprising of Charnockites, Granitic Gneiss, Mixed Gneiss, Quartzite, Limestone, Khondalites

Hydrogeology	Type of aquifer	Unconfined to Semi confined conditions
	Aquifer parameter:	Alluvium	Hard rock
	Transmissivity (T) m 2/day	8 – 854	3 – 212
	Permeability (K) m/day	0.1 – 44	0.1 – 27
	Yield (lps)	2.2 – 34	0.15 - 6
Depth of Water level		2 m to 14m

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

( Based on Ground Water Estimation Committee report)

Utilisable ground water recharge

897.5 MCM

Net Ground Water draft

464.4 MCM

Balance

433.1 MCM

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

OVER EXPLOITED Greater than 100%

Melaneelithanallur

Radhapuram

Sankarankoil

Valliyur

CRITICAL Between 90 and 100%

Nil

SEMI CRITICAL 70 and 90%

Alankulam

SAFE Less than 70%

Ambasamudram

Cheranmadevi

Kadayam

Kalakadu

Manur

Nanguneri

Palayamkottai

Pappakudi

Senkottai

Tenkasi

Kadayanallur

Keelapavoor

Kuruvikulam

Vasudevanallur

SALINE

Nil

RECHARGE STRUCTURES

Check Dams:

204

Percolation Ponds:

Recharge Pits:

Ooranies:

Defunct Borewell Recharge:

Water supply status as on 1.4.2011

Rural Habitations

Total No. of Rural Habitations: 2483

Partially covered	237 (10-39 lpcd )
Fully covered	2246 (40 lpcd and above)

Urban Towns (Water Supply status - December 2011)

S.NO	Name of Towns	Population	Present water supply level LPCD
Corporation
1	Thirunelveli	411831	90
Municipalities
1	Sankarankoil	53606	101
2	Kadayanallur	75612	75
3	Thenkasi	63432	88
4	Puliyangudi	60080	88
5	Shenkottai	26838	91
6	Ambasamudram	32739	90
7	Vickiramasingapuram	48309	90
Town Panchayats
1	Mukkudal	13955	85
2	Chiranmadevi	16306	67
3	Alwarkurichi	9459	94
4	Nanguneri	6758	78
5	Veeravanallur	19785	70
6	Gopalasamudram	10018	63
7	Thirukarunkudi	8875	66
8	Manimuthar	12613	49
9	Kallidaikurichi	25746	250
10	Courtalam	2368	65
11	Ervadi	14755	98
12	Vadakuvalliiyur	24023	86
13	Sankarnagar	5203	68
14	Keezhapavaur	20422	70
15	Surandai	28146	68
16	Pangudi	25501	97
17	Elanji	9425	79
18	Naranammalpuram	16318	94
19	Sambavarvadakarai	14647	64
20	Thisayanvilai	19559	64
21	Achanpudur	12406	97
22	Ayikudi	12930	55
23	Thiruvengadam	7353	78
24	Sivagiri	20380	71
25	Vasudevanallur	19062	100
26	Melacheval	7780	103
27	Sundarapandiyapuram	7711	91
28	Panpozhi	8553	60
29	Kalakadu	27090	76
30	Vadakaraikeelpadugai	17349	84
31	Alangukulam	17923	58
32	Mulakkaraipatti	9742	67
33	Rayagiri	10855	35
34	Pathamadai	14957	93
35	Pudur	11110	59
36	Melagaram	12897	49