Sivagangai District Profile
- Sivaganga district is bounded by Pudukkottai district in the Northeast, Ramanathapuram district in the East, Virudhunagar district in the Southwest, and Madurai in the West.
- The District is located between 09º 30'N to 10º 25'N Latitude, and 78º 07'E to 79º 01’E Longitude and has an areal extent of 4143 sq.km.
Physiography and Drainage:
- The northern part of the District is drained by the rivers Pambar, Manimuttar and Sarugani rivers and the southern part is drained by Vaigai River.
- The northern, western part of the district comprising of Tiruppathur taluk is a high ground studded will hillocks and residual hills.
- The stretch trending north east to south west extending from Puduvayal to Manamadurai is an upland. The rest of the area is a plain alluvial terrain.
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 | |
967.5 | 932.6 | 966.4 | 1112.0 | 1270.8 | 985 |
Geology:
Rock Type | Geological Formation | ||||
Sedimentary Rock 60% Hard Rock 40% |
Sandstone, Laterite, Silt, Alluvium, Charnockite, Gneiss, Granite, Quartzite |
Ground Water Level:
The Ground Water levels from the 79 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 |
20.7 |
25.7 |
23.6 |
25.5 |
24.5 |
26.3 |
16.6 |
17.3 |
13.07 |
14.7 |
18.7 | 17.0 |
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 |
67 | 16 | 24 | 3 | 126 | 10 | 24 | 270 |
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%) | 39 | A.Thiruvuduirpuram, Devakottai, Ilayangudi, Ilayathakudi, Kalayarkovil, Kallal, Kandadevi, Kannangudi, Karaikudi, Konthagai, Mallal, Manamadurai, Maravamangalam, Mathagupatti, Mithravayal, Muthanenthal, Natchiyarpuram, Nattarasankottai, Nerkuppai, Okkur, Pallathur, Periyakottai, Puzhiyal, S.S.Kottai, Sakkottai, Salaigramam, Sarugani, Seikalathur, Silukkapatti, Singampunari, Sivagangai, Sooranam, Thamarakki, Thayamangalam, Thirukostiyur, Thiruppachethy, Thiruppathur, Thiruppuvanam, Varappur. |
Others (Poor & Saline) | 0 | |
Total | 39 |
Rural Habitations
Total No. of Rural Habitations: 3352
Partially covered | 176 (10-39 lpcd ) |
Fully covered | 3176 (40 lpcd and above) |