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 |
May |
Jan |
May |
Jan |
May |
Jan |
May |
Jan |
May |
5 Years |
5Years |
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.
Recharge Structures | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Check Dam | Percolation Pond | Recharge Pit | Recharge Trench | Others | Ooranies | Defunct Bore well Recharge | Recharge Shaft | Rooftop RWH | Hydro Fracturing | Total |
58 | 51 | 25 | 65 | 427 | 50 | 676 |
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) |