Karur District Profile
- Karur district is bounded by Tiruchirappalli district in the North East, Tiruppur in the West, and Namakkal district in the North and Dindigul and Tiruchirappalli in the South.
- The District is located between 10º 37'N to 11º12'N Latitude, 77º 46'E to 78º 15'E Longitude and has an area of 2901 sq.km.
Physiography and Drainage:
- Karur district is broadly classified into smaller hilly regions represented by Ayyarmalai, Thanthoni malai and Velayuthampalayam hills.
- The entire area of this district is drained by the river Cauvery, which flows on the northern boundary of the district.
- The tributary rivers namely Amaravathi, Kadavanar and Noyyal drain the western part of the district.
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 | |
715.3 | 468.4 | 524.5 | 684.2 | 919.8 | 628.9 |
Ground Water Level:
The Groundwater levels from the 34 number of observation wells of TWAD have been analyzed 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 |
22.7 |
31.3 |
29.8 |
22.9 |
13.6 |
20.8 |
17.8 |
21.7 |
15.3 |
21.3 |
19.7 | 17.0 |
Geology:
Rock Type | Geological Formation |
Hard Rock | Gneiss, Charnockite Granite, Quartzite, Alluvium |
Sustainability:
With a view to enhance the Sustainability of the drinking water sources, recharge structures are being implemented by the TWAD Board under various State and Central Government assistance.
The Recharge Structures implemented so far in the district are 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 |
346 | 5 | 6 | 215 | 25 | 597 |
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%) | 14 | K.Paramathy, Kadavur, Karur, Kattalai, Mailampatti, Pallapatti, Panjapatti, Pugalur, Thalapatti, Thennilai, Thogaimalai, Thoranakalpatti, Vangal, Velliyanai |
Critical (90%-100%) | 0 | |
Semi Critical (70%-90%) | 4 | Aravakurichi, Chinnadharapuram, Chinthalavadi, Manmangalam |
Safe (<70%) | 2 | Kulithalai, Nangavaram |
Others (Poor & Saline) | 0 | |
Total | 20 |
Rural Habitations
Total No. of Rural Habitations: 2457
Partially covered | 142 (10-39 lpcd ) |
Fully covered | 2315 (40 lpcd and above) |