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Saturday , 31st July 2021
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Villupuram District Profile

  • Villuppuram district is bounded by Bay of Bengal in the east and the union Territory of Pondicherry in the southeast, Chengalpattu and Tiruvannamalai districts in the north, Cuddalore districts in the south and Kallakurichi 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 3,725 sq.km.

Physiography and Drainage

  • Villuppuram district can be divided into 3 classes’ viz., Hilly terrains, Plain terrain and coastal plains.
  • The hills are found in the North western part of the district and they are Ginjee hills falling under 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 and Thenpennaiyar.

Geology:

Rock Type Geological Formation
Hard Rock 60%

Sedimentary Rock 40%

Charnockite, Granite, Gneiss,

Limestone, Pegmatite, Laterite,
Sandstone and Shale, Lignite and Alluvium

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
2015 2016 2017 2018 2019
1370.79 563.67 1083.83 758.24 915.71 1040.0

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

Ground Water Level:

The Ground Water levels from the 55 number of observation wells of TWAD have been analysed for Post-Monsoon and Pre-Monsoon. 5 years average Ground water level in m Below Ground Level for pre and post monsoon is as follows:

5 years average Groundwater level in m Below Ground Level for pre and post-monsoon is as follows:

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

3.94

4.6

2.01

6.4

9.3

10.1

5.4

13.8

8.7

13.6

9.71

5.87

Sustainability:

With a view to enhance the Sustainability of the drinking water sources, recharge structures are being implemented by TWAD Board under various State and Central Government assistances. The Recharge Structures implemented so far in district is as under.

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 2017 for the District in is shown below.

Categorisation based on Extraction (as on 2017) No. of Firkas Firkas
Over Exploited (>100%) 18 Anniyur, Avalurpettai, Brammadesam,
Gingee, Kanjanur, Kiliyanur, Marakkanam,
Melmalaiyanur, Melolakkur, Nemili,
Sathampatti, Sathiyamangalam, Siruvadi,
Sithalampattu, Tindivanam, Uppuvelur,
Vallam, Villupuram.
Critical (90%-100%) 3 Arasur, Sithalingamadam, Olakkur
Semi Critical (70%-90%) 7 Avanipur, Kanai, Kandamangalam,
Mailam, Mugaiyur, T.V. Nallur, Vanur
Safe (<70%) 5 Aragandanallur, Deevanur, Rettanai,
Valavanur, Vickravandi
Others (Poor& Saline) -  
Total 33  
Water supply status as on 1.4.2021

Rural Habitations

Total No. of Rural Habitations: 2286

Partially covered 154 (10-39 lpcd )
Fully covered 2132(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