TAMILNADU WATER SUPPLY AND DRAINAGE BOARD


About Us \| About Us Board Of Directors Organisation Chart Establishment Documents \| TWAD Board Act and Regulations Policy Notes Announcements TWAD Schedule of Rates Model Bid Documents Delegation of power at various levels Tender Transparency Act Norms Followed Schemes \| Major Water Supply Schemes Rural Water Supply Schemes Urban Water Supply Schemes Combined Water Supply Schemes Under Ground Sewerage Schemes Deposit Works Maintenance Schemes Project Formulation Tsunami Relief Measures Hognekkal WS & FMP Finance \| Centage Charges Tariff Funding Sources Support Activities \| Hydrogeology Water Quality IT initiatives Training Maps \| Blocks Contaminated Sources Flouride affected Nitrate affected Iron affected Faecal colliform Achievements \| Ramnad Mega Drinking Water Supply Scheme Water Supply Schemes Under Ground Sewerage Schemes Awards-IT initiatives Tenders \| Current Tenders Archive Tenders GOs & BPs \| Schemes Contracts, O & M Accounts Establishment State - District Profile \| Photogallery \| Links

DISTRICT PROFILE

Untitled Page

Home

TamilNadu Map

VELLORE DISTRICT PROFILE

VELLORE DISTRICT PROFILE

Click This Image To Zoom

SALIENT DETAILS
Profile	Location	Northern district
	Lat.	N 12° 15' 23” to 13° 12' 32”
	Long.	E 78° 24' 16” to 79° 54' 56”
	Area	6077 sq.kms
	No.of Taluks	8
	No. of Blocks	20
	No. of Villages	753
	No. of Habitations	5797

Physiographic	Type of Terrain	Western part of the district is a hilly terrain whereas the eastern part is gently undulating country with isolated hillocks
	Elevation
	Hills	Jawadu, Yelagiri.
	River	Palar Cheyyar, Malatter, Poiney, Kallar,
	Tributaries	Koundinyanadhi, Pambar (Tributary of Ponnaiyar)
Average Annual Rainfall (1991 – 2008)		1100 mm
Climate		Subtropical
Temperature in degree Celsius		Min:17.3 to 27.4 Max:128.2 to 36.5
River Basin		Palar, Ponnaiyar.
Geology		Hard rock comprising mainly of Gneisses and Charnockites.

Hydrogeology	Type of aquifer	Discontinuous unconfined to semi confined aquifers in the fissured formations.
	Aquifer parameter:	Hard rock	Alluvium
	Well yield in lpm:
	Transmissivity (T) m 2/day	40 – 200	200 – 400
		8 – 80	200 – 300
	Permeability (K) m/day	0.5 – 2.5	20 – 30
Depth of Water level		3 m to 13m

GROUND WATER POTENTIAL AS ON MARCH 2004 (AS PER CGWB & PWD)

( Based on Ground Water Estimation Committee report)

Utilisable ground water recharge

984.8 MCM

Net Ground Water draft

1376 MCM

Balance

(-391.2 MCM )

OVER EXPLOITED Greater than 100%

Alangayam

Anaicut

Arcot

Gudiyatham

Jolarpet

K.V.Kuppam

Kandili

Kaniyambadi

Katpadi

Madanur

Nattrampalli

Pernampet

Sholinghur

Thimiri

Tiruppathur

Vellore

CRITICAL Between 90 and 100%

Nemili

SEMI CRITICAL 70 and 90%

Arakonam

Kaveripakkam

Wallajah

SAFE Less than 70%

Nill

SALINE

Nil

RECHARGE STRUCTURES

Check Dams:

588

Percolation ponds:

Ooranies:

Defunct Borewell Recharge:

Water supply status as on 1.4.2011

Rural Habitations

Total No. of Rural Habitations: 5821

Partially covered	83 (10-39 lpcd )
Fully covered	5738 (40 lpcd and above)

Urban Towns (Water Supply status - December 2011)

S.NO	Name of Towns	Population	Present water supply level LPCD
Corporation
1	Vellore	423425	58
Municipalities
1	Walajapettai	29475	84
2	Ranipet	47243	67
3	Thirupatthur	74253	102
4	Arakonam	78686	70
5	Arcot	49953	75
6	Gudiyatham	91452	75
7	Ambur	99624	68
8	Vaniyampadi	85752	60
9	Melvisharam	36757	80
10	Pernampet	41499	63
11	Jolarpettai	27167	70
Town Panchayats
1	Thakkolam	9908	73
2	Panappakkam	10151	64
3	Odukathur	8148	45
4	Udayendram	11567	58
5	Pallikonda	20771	59
6	Kaveripakkam	12545	68
7	Kalavai	9763	60
8	Sholingur	26652	43
9	Thiruvalam	7936	70
10	Thimiri	14953	42
11	Ammur	11296	56
12	Pennathur	8151	78
13	Nemili	9217	43
14	Alangayam	16851	58
15	Natrampalli	9134	59
16	Vilampakkam	8052	55