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

VILLUPURAM DISTRICT PROFILE

VILLUPURAM DISTRICT PROFILE

Click This Image To Zoom

SALIENT DETAILS
Profile	Location	Central District
	Lat.	11° 30' and 12° 35'
	Long.	78° 37' and 80° 00'
	Area	7217 Sq. Km
	No.of Taluks	8
	No. of Blocks	22
	No. of Villages	1483

Physiographic	Type of Terrain	Generally plain topography with residual hillocks.
	Elevation in m amsl	Max: 610
	Hills	Kalrayan, Gingee
	River	Pennaiyar, Tondiyar, Vellar
	Tributaries	Nariyar, Tondiyar, Pambaiyar, Varaha nadi.
Average annual Rainfall		1093 mm/td>
Climate		Subtropical
Temperature in degree Celsius		Max: 33 to 37 Min: 21 to 28
River Basin		Tondiyar, Pennaiyar, Vellar.
Geology		Underlined by Crystalline metamorphic complex in the western parts of district and sedimentary tract in eastern side.

Hydrogeology	Type of aquifer	Groundwater restricted to 60 to 80m depth in weathered residum fracture zones having secondary porosity
	Aquifer parameter:	Alluvium	Tertiary	Hard rock
	Well yield in lps:	2.5	2 – 3.3	1 – 2
	Transmissivity (T) m 2/day	98	46 – 134	16 – 60
	Permeability (K) m/day	19.7	16 – 33	5 – 20
	Specific capacity. (lpm/md)	2.08	78 – 173	27 - 224
Depth of Water level		4 to 14 m

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

( Based on Ground Water Estimation Committee report)

Utilisable ground water recharge

1696.1 MCM

Net Ground Water draft

1886.6 MCM

Balance

(-190.5 MCM )

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

OVER EXPLOITED Greater than 100%

Gingee

Kandamangalam

Kolianur

Mailam

Marakkanam

Melmalaiyanur

Mugaiyur

Olakkur

Rishivandhiyam

Sankarapuram

Tiruvennainallur

Ulundurpet

Vallam

Vickravandi

CRITICAL Between 90 and 100%

Kallakurichi

Thirunavalur

Vanur

SEMI CRITICAL 70 and 90%

Chinnasalem

Kanai

Thiyagadurgam

Tirukovilur

SAFE Less than 70%

Kalrayan Hills

SALINE

Nil

RECHARGE STRUCTURES

Check Dams:

235

Ooranies:

Recharge Pits:

Total:

241

Water supply status as on 1.4.2011

Rural Habitations

Total No. of Rural Habitations: 4668

Partially covered	119 (10-39 lpcd )
Fully covered	4549 (40 lpcd and above)

Urban Towns (Water supply status - December 2011)

S.NO	Name of Towns	Population	Present water supply level LPCD
Municipalities
1	Villupuram	115622	54
2	Thindivanam	67737	57
3	Kallakurichi	36793	70
Town Panchayats
1	Ulundurpettai	19258	71
2	Thiruvennainallur	8582	76
3	Vickravandi	10145	57
4	Vadakkananthal	19846	71
5	Manalurpettai	7401	84
6	Thirukovilur	27197	71
7	Kottakuppam	24075	100
8	Thiyagadurgam	13633	52
9	Sankarapuram	12263	83
10	Valavanur	14083	91
11	Ananthapuram	6138	44
12	Gingee	21251	39
13	Arakandanallur	4405	75
14	Chinnasalem	19516	71
15	Marakkanam	19139	71