Cuddalore District Profile
- Cuddalore district is bounded by Villupuram district in the north and northwest, Perambalur district in the southwest, and Ariyalur and Nagapattinam districts in the South and Bay of Bengal in the east.
- Cuddalore district lies between 11º09'00’’N to 11º53'00’’ N Latitude, 78º52'00’’E to 79º51’00’’E Longitude and has an areal extent of 3706 sq.km.
- There are 13 Blocks, 683 Villages and 3639 Habitations in the District.
Physiography and Drainage
Cuddalore district being a coastal zone is mostly covered by plain terrain, without any high relief zone except some sedimentary high ground in Virudhachalam, Cuddalore and Panruti blocks.
Rainfall:
Acutal Rainfall in mm | Normal Rainfall in mm | |||||
---|---|---|---|---|---|---|
2013 | 2014 | 2015 | 2016 | 2017 | 2018 | |
977.7 | 1218.1 | 1705.7 | 574.6 | 1379.1 | 965.0 | 1206.7 |
Geology:
Rock Type | Geological Formation | ||||
Sedimentary Rock 90% Hard Rock 10 % | Sandstone, Conglomerate, Gneiss, Charnockite, Marine deposits and Alluvium |
Hydrogeology:
Type of Aquifer | Fairly thick but discontinuous confined to semi-confined aquifers. | ||
---|---|---|---|
Aquifer parameters Well yield in lpm | Alluvium 150 |
Tertiary Hard rock |
Hard rock 60-120 |
Transmissivity (T) m 2 /day | 98 | 46-134 | 16-160 |
Permeability (K) m/day | 19.7 | 16-33 | 5 – 20 |
Sp. capacity. lpm/m-d | 208 | 78.17 | 27-224 |
Ground Water Level:
The Ground Water levels from the 42 number of observation wells of TWAD have been analyzed for Post-Monsoon and Pre-Monsoon. Since 1991, the average Groundwater level in m Below Ground Level for pre and post-monsoon is as follows:
Sustainability:
With a view to enhancing the Sustainability of the drinking water sources, recharge structures are being implemented by TWAD Board under various State and Central Government assistance.
The Recharge Structures implemented so far 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 |
119 | 2 | 3 | 5 | 5 | 17 | 25 | 0 | 176 |
Groundwater Potential as on March 2011 (as per CGWB):
Net Groundwater Availability (in MCM) | 1237.08 |
Existing Gross Groundwater draft for all users (in MCM) | 1066.76 |
Stage of Groundwater development (in %) | 86 |
Categorization of District | 86 |
Categorization of Firkas:
The status of Categorization of Firkas as of March 2013 for the District in is shown below.
Categorisation based on Extraction (as on March 2013) | No. of Firkas | Firkas |
---|---|---|
Over Exploited (>100%) | 6 | Kammapuram(E), Kammapuram(W), Retty Chavadi, Thiruvananthapuram, Mangalam, Virudhachalam (S), |
Critical (90%-100%) | 2 | Nellikuppam, Sirupakkam |
Semi-Critical (70%-90%) | 7 | Panruti, Sethiyathope, Thozhudur, Manjakkuppam Tittagudi (E), Veppur, Sirupakkam |
Safe (<70%) | 17 | Bhuvanagiri, Chidambaram, Kadampuliyur, Kattumannarkoil, Virudhachalam(N), Kullanchavadi, Kumarachi, Kurinjipadi, Marungur, Nallur, Orathur, ParangipettAI, Puthur, Srimushnum, Thiruvakulam, Tittagudi (W), Udaiyarkudi |
Others (Poor& Saline) | - | |
Total | 32 |
Water supply status as on 1.4.2018
Rural Habitations
Total No. of Rural Habitations 3639
Partially covered | 232 (10-39 lpcd ) |
Fully covered | 3407 (40 lpcd and above)) |
Urban Towns (Water Supply Status - 1.4.2018)
S.No | Name of Towns | Population | Present water supply level LPCD |
---|---|---|---|
Municipalities | |||
1 | Panruti | 60323 | 90 |
2 | Nellikuppam | 46678 | 90 |
3 | Chidambaram | 62153 | 85 |
4 | Virudhachalam | 73585 | 90 |
5 | Cuddalore | 173636 | 90 |
Town Panchayats | |||
1 | Bhuvanagiri | 21956 | 75 |
2 | Kattumannarkoil | 27294 | 76 |
3 | Thorapadi | 7659 | 83 |
4 | Annamalai Nagar | 16289 | 81 |
5 | Pennadam | 19494 | 75 |
6 | Thirumushnam | 13971 | 75 |
7 | Kurinjipadi | 27471 | 75 |
8 | Thittakudi | 22894 | 75 |
9 | Killai | 13608 | 80 |
10 | Gangaikondan | 6434 | 78 |
11 | Parangipattai | 25541 | 90 |
12 | Lalapettai | 16561 | 80 |
13 | Melpattampakkam | 6887 | 91 |
14 | Sethithoppu | 8824 | 70 |
15 | Mangalampettai | 9278 | 72 |
16 | Vadalur | 39514 | 78 |
Ground Water Level:
The Ground Water levels from the 42 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 |
Jan 2018 |
May 2018 |
Jan 2019 |
May 2019 |
5 Years |
5Years |
10.70 |
15.26 |
22.10 |
26.35 |
21.44 |
26.52 |
18.41 |
25.65 |
31.1 |
36.1 |
28.1 | 22.3 | 29.7 | 17.6 |
23.0 |
20.3 |