Kancheepuram District Profile
- Kancheepuram district is bounded by Thiruvallur and Chennai districts in the North, Villuppuram district in the South, Bay of Bengal in the East and Tiruvannamalai and Vellore districts in the West.
- The District lies between 12º14'00”N to 13º02'00”N Latitude, 79º 31’30”E to 80º 15' 30”E Longitude and has an areal extent of 4307 sq.km.
Physiography and Drainage:
- Kancheepuram district is classified into coastal areas and other plain lands with small intermittent hills.
- Few residual hills such as St.Thomas Mount, Thirukkalukundram hills and Vandalur hills are found in the district. The general elevation of the district ranges from 0.5m to 230m above MSL.
- River Palar is a major river course, which drains this district originates from Western Ghats in Karnataka State. Cheyyar and Vegavathi are the small tributaries of Palar river.
- The seasonal rivers like Araniyar & Kosasthalaiyar and Thondiar drain in the northern and southern part of the district. The Palar, Araniyar & Kosasthalaiyar and Thondiar river basins which are used for drinking and irrigation purpose.
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 | |
1191.7 | 833.0 | 1131.4 | 1258.4 | 1698.1 | 985 |
Geology:
Rock Type | Sedimentary 70% Hard Rock 30% | ||||
Sendimentary 70% Hard Rock 30% |
Granite, Gneiss, Chronockite, Sandstone, Sandy clay, Laterite, Alluvium and Marine deposites |
Ground Water Level:
The Ground Water levels from the 47 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 |
10.7 |
8.4 |
6.2 |
9.7 |
7.5 |
13.1 |
4.6 |
16.9 |
7.1 |
14.9 |
10.8 |
5.6 |
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 |
153 | 120 | 1 | 15 | 5 | 15 | 309 |
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%) | 3 | Arumpuliyur, Thirupulivanam, Walajabad. |
Critical (90%-100%) | 1 | Govindhavadi |
Semi Critical (70%-90%) | 6 | Kaliyampoondi, Kollapakkam, Kunnavakkam, Sirukaveripakkam, Thiruppukuzhi, Uthiramerur |
Safe (<70%) | 15 | Chittiabakkam, Kancheepuram, Kunrathur, Maduramangalam, Maharal, Mangadu, Padappai, Parandur, Salavakkam, Serappanacheri, Sriperumpudur, Sunkuvarchatram, Thandalam, Thenneri, Vallam |
Others (Poor & Saline) | 0 | |
Total | 25 |
Rural Habitations
Total No. of Rural Habitations: 4014
Partially covered | 72 (10-39 lpcd ) |
Fully covered | 3942 (40 lpcd and above) |