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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 area extent of 4175 sq.km.

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:

Actual Rainfall in mm Normal Rainfall in mm
2017 2018 2019 2020 2021
606.6 649.7 923.2 860.2 1040.6 985

Geology:

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

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
2017

May
2017

Jan
2018

May
2018

Jan
2019

May
2019

Jan
2020

May
2020

Jan
2021

May
2021

5 Years
Pre Monsoon
Average

5Years
Post Monsoon
Average

17.8

21.7

20.4

33.8

19.8

23.7

17.5

22.2

16.9

19.5

20.6 15.5

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.

Categorization of Firkas:

The status of Categorization of firkas as of March 2020 for the District in is shown below.

Categorisation based on Extraction (as on 2020) No. of Firkas Firkas
Over Exploited (>100%) 0  
Critical (90%-100%) 0  
Semi Critical (70%-90%) 0  
Safe (<70%) 29 Aanandhur, Aappanur, Abiramam, Bogalur, Devipattinam, Kakkur, Kamuthi East, Kamuthi West, Keelakkarai,
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, Mangalakudi, Melachelvanur, Mudukulathur South, S.Tharaikudi, Sayalkudi, Sikkal, Thirupullani, Thondi
Total 38  

Rural Habitations

Total No. of Rural Habitations: 2519

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