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Wednesday , 14th April 2021
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Villupuram District Profile

  • Villuppuram district is bounded by Bay of Bengal and the union Territory of Pondicherry in the east, Kancheepuram and Tiruvannamalai districts in the north, Cuddalore and Perambalur districts in the south and Dharmapuri and Salem districts in the west.
  • The District lies between 11º30’00’’ to 12º35’00’’ North Latitude, and 78º37’00’’ to 80º00’00’’ East Longitude and has an areal extent of 7190 sq.km.
  • There are 22 Blocks, 1098Villages and 4880 Habitations in the District.

Physiography and Drainage

  • Villupuram district can be divided into 3 classes’ viz., Hilly terrains, Plain terrain and coastal plains.
  • The hills are found in the western part of the district and they are Kalrayan and Ginjee hills falling under Kallakurichi and Ginjee taluks respectively.
  • Plain terrain occurs in the middle part of this district, while the coastal plains lie in the eastern part of the district in and around Marakanam and Vanur taluks.
  • The major rivers draining the district are Tondiar, Pennaiyar and Vellar.

Rainfall:

The average annual rainfall and the 5 years rainfall collected from IMD, Chennai is as follows:

Acutal Rainfall in mm Normal Rainfall in mm
2013 2014 2015 2016 2017 2018
790.30 963.30 1375.50 593.7 1066.9 727.8 1011.6

Geology:

Rock Type Geological Formation
Sedimentary Rock 60%,Hard Rock 40% Charnockite, Granite, Gneiss,Limestone, Pegmatite, Laterite,Sandstone and Shale, Lignite and Alluvium

Hydrogeology:

Type of Aquifer Groundwater restricted to 60 to 80m depth in weathered fracture zones having secondary porosity.
Aquifer parameters Alluvium Tertiary Hard rock
Well yield in lpm 2.5 2 - 3.3 >1 - 2
Transmissivity (T)m2/day 98 16 - 33 5 - 20
Specific capacity (lpm/md) 19.7 46 - 134 16 - 60
Permeability (K)(m/day)) 2.08 78 - 173 27 - 224
Depth of Water level 4m to 14m

Sustainability:

With a view to enhancing the Sustainability of the drinking water sources, recharge structures are being implemented by TWAD Board under various State and Central Government assistance.

The Recharge Structures implemented so far is as under.

Groundwater Potential as on March 2011 (as per CGWB):

Net Groundwater Availability (in MCM) 1498.28
Existing Gross Groundwater draft for all users (in MCM) 1539.35
Stage of Groundwater development (in %) 103%
Categorization of District Over Exploited

Categorization of Firkas:

The status of Categorization of Firkas as of March 2013 for the District is shown below.

Categorisation based on Extraction (as on March 2013) No. of Firkas Firkas
Over Exploited (>100%) 30 Anniyur, Arasur (V), Avalurpettai,
Brammadesam, Chithalingamadam,
Elavanasurkottai, Eraiyur, Gingee, Indili,
Kalamarudur, Kiliyanur,
Marakkanam, Melmalaiyanur
, Melolakkur, Nagalur, Nainarpalayam,
Nemili, Olakkur, Sathampati,
Sathiyamangalam, Siruvadi,
Sithalampattu, T.V.Nallur,
Thiyagadurgam, Tindivanam,
Ulundurpettai, Uppuvelur, Vadasiruvalur,
Vallam (V), Vikkiravandi,
Cholapuram (V).
Critical (90%-100%) 4 Chinnaselam, Kanjanur,Villuppuram,Vanur.
Semi Critical (70%-90%) 11 Arakandanallur, Kallakurichi, Kanai,
Kandamangalam, Manalurpettai, Mailam
Sengurichi,Mugaiyur, Kalrayan Kottai ,
Thirukovilur, Vadakanandal
Safe (<70%) 11 Alathaur, Ariyalur(V), Deevanur,
Mugaiyur, Rettanai,
sankarapuram, Thirunavalur, Vellimalai
Thiruppalapandal, Vadaponparapi,
Valavanur.
Others (Poor& Saline) -  
Total 56  
Water supply status as on 1.4.2018

Rural Habitations

Total No. of Rural Habitations: 4880

Partially covered 0 (10-39 lpcd )
Fully covered 4800(40 lpcd and above)

Urban Towns ( Water supply status - 1.4.2019)

S.No Name of Towns Population Present water supply level LPCD
Municipalities
1 Villupuram 96253 71
2 Thindivanam 72796 56
3 Kallakurichi 52507 76
Town Panchayats
1 Ulundurpettai 23734 70
2 Thiruvennainallur 9623 72
3 Vickravandi 12022 72
4 Vadakkananthal 23034 74
5 Manalurpettai 8523 70
6 Thirukovilur 30212 70
7 Kottakuppam 31726 136
8 Thiagadurgam 18605 70
9 Sankarapuram 15664 70
10 Valavanur 16745 70
11 Ananthapuram 6892 70
12 Gingee 27045 70
13 Arakandanallur 5713 75
14 Chinnasalem 25106 70
15 Marakkanam 22034 74

Ground Water Level:

The Ground Water levels from the 89 number of observation wells of TWAD have been analyzed for Post-Monsoon and Pre-Monsoon. Since 1991 average Groundwater level in m Below Ground Level for pre and post-monsoon is as follows:

Jan
2013

May
2013

Jan
2014

May
2014

Jan
2015

May
2015

Jan
2016

May
2016

Jan
2017

May
2017

Jan
2018
May
2018
Jan
2019
May
2019

5 Years
Pre Monsoon
Average

5Years
Post Monsoon
Average

1.00

7.57

6.90

9.37

6.50

5.00

2.80

9.50

12.8

15.0

7.7 18.3 7.8 12.1

6.5

11.0