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Wednesday , 14th April 2021
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Ramanathapuram District Profile

  • Ramanathapuram is a coastal district bounded by Bay of Bengal in the East and South, Sivaganga district in the North, Virudhunagar district in the West, and Thoothukkudi district in the Southwest.
  • The District lies between 09º06'00”N to 09º54’00'N Latitude, 78º13’00'E to 79º26’00”E Longitude and has an areal extent of 4175 sq.km.
  • There are 11 Blocks, 429 Villages and 2519 Habitations in the District

Physiography and Drainage

Physiographically, the entire district is a plain terrain. There are seasonal rivers named as Sarugani River, Manimuthar River, Vaigai River and Vaippar River etc.

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
579.90 933.5 1017.40 388 606.6 649.7 807.8

Geology:

Rock Type Geological Formation
Hard Rock 98% ,Sedimentary Rock 2% Sandstone, Reddish brown clay,Coarse Sand, Alluvium, Gneiss, Quartzite

Hydrogeology:

Type of Aquifer Unconfined to confined conditions
Aquifer parameters River Alluvium Coastal Alluvium
Transmissivity (T)m2/day 210 - 1500 350 - 2500
Permeability (K)(m/day)) 20-50 49 - 95
Yield (lps) 6-18 11 - 37
Depth of Water level 1.3 m to 12m

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 is as under.

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

Net Groundwater Availability (in MCM) 682.68
Existing Gross Groundwater draft for all users (in MCM) 79.70
Stage of Groundwater development (in %) 12 %
Categorization of District Safe

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%) -  
Critical (90%-100%) -  
Semi Critical (70%-90%) 1 Perumkulam
Safe (<70%) 28 Aanandhur, Abiramam, Bogalur,Aappanur
Devipattinam, Kakkur, Kamuthi east,
Kamuthi west, Keelathuval, Kiliyur,
Kovilankulam, Mandapam,
Manjur, Melakodumalur, Mudukulathur
North, Nainarkoil, Paramakudi,
Parthipanoor, Perunaazhi, Perunkulam,
Pullur, R.S.Mangalam,
Ramanathapuram, Rameswaram,
Sholandhur, T.U.Mangai, Theriruveli,
Thiruvadani.
Others (Poor& Saline) 9 Kadaladi, Melachelvanur,
S.Tharaikudi, Sayalkudi, Sikkal,
Mudukulathur South, Keelakkarai,
Thirupullani, Mangalakudi, Thondi.
Total 38  
Water supply status as on 1.4.2018

Rural Habitations

Total No. of Rural Habitations: 2519

Partially covered 16 (10-39 lpcd )
Fully covered 2503 (40 lpcd and above)

Urban Towns (Water Supply Status - 1.8.2019)

S.No Name of Towns Population Present water supply level LPCD
Municipalities
1 Paramakudi 95579 70
2 Ramanathapuram 61440 45
3 Rameswaram 44856 67
4 Keelakarai 38355 40
Town Panchayats
1 Thondi 18465 61
2 Abiramam 8144 44
3 Mudukulathur 14789 67
4 Kamuthi 14754 42
5 Mandapam 18427 78
6 R.S.Mangalam 14565 64
7 Sayalgudi 14801 42

Ground Water Level:

The Ground Water levels from the 91 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:

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

4.70

8.46

9.20

8.77

11.30

7.67

13.51

15.87

17.75

15.2

20.4 33.8 19.7 23.7

13.7

17.1