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 areal extent of 2901 sq.km.
- There are 8 Blocks, 157 Villages and 2457 Habitations in the District.
Physiography and Drainage
- Karur district is broadly classified into smaller hilly regions represented by Kadavur hills, 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 major river courses which come under Cauvery basin are Bhavani, Noyyal and Amaravathi.
- The tributary rivers namely Amaravathi, Kodaganar 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:
Acutal Rainfall in mm | Normal Rainfall in mm | |||||
---|---|---|---|---|---|---|
2013 | 2014 | 2015 | 2016 | 2017 | 2018 | |
460.8 | 511.5 | 784.1 | 328.8 | 715.3 | 468.4 | 655.0 |
Geology:
Rock Type | Geological Formation |
Hard Rock | Gneiss, Charnockite Granite, Quartzite, Alluvium |
Hydrogeology:
Type of Aquifer | Water Table to Semi confined conditions | |
---|---|---|
Aquifer parameters | Hard rock | Alluvial formation |
Well yield lps): | 1.66 – 2.5 | 8.3 – 16.66 |
Transmissivity (T)(m 2/day) | 28 – 75 | 45 - 205 |
Permeability (K)(m/day) | 5 – 9 | 2-4.5 |
Specific Yield in %) | 0.7 – 2.3 | 6.8 |
Depth of Water level | 3m -15m | |
Ground Water Level:
The Ground Water levels from the 34 number of observation wells of TWAD have been analysed for Post-Monsoon and Pre-Monsoon. Since 1991, average Ground water level in m Below Ground Level for pre and post monsoon is as follows:
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 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 |
346 | 5 | 6 | 215 | 25 | 597 |
Groundwater Potential as on March 2011 (as per CGWB):
Net Groundwater Availability (in MCM) | 323.23 |
Existing Gross Groundwater draft for all users (in MCM) | 298.64 |
Stage of Groundwater development (in %) | 92 % |
Categorization of District | Critical |
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%) | 9 | K.Paramathy, Kadavur, Mailampatti, Pallapatti, Thennilai, Panjapatti, Thoranakalpatti, Vangal, Velliyanai,Thogaimalai |
Critical (90%-100%) | 3 | Kattalai,Pugalur,Thalapatti |
Semi Critical (70%-90%) | 1 | Karur |
Safe (<70%) | 5 | Aravakurichi, Chinnadharapuram, Kulithalai, Nangavaram, Chinthalavadi |
Others (Poor& Saline) | - | |
Total | 19 |
Water supply status as on 1.4.2018
Rural Habitations
Total No. of Rural Habitations: 2457
Partially covered | 142 (10-39 lpcd ) |
Fully covered | 2315 (40 lpcd and above) |
Urban Towns ( Water Supply Status - 1.08.2019)
S.No | Name of Towns | Population | Present water supply level LPCD |
---|---|---|---|
Municipalities | |||
1 | Karur | 70980 | 127 |
2 | Kulithalai | 27910 | 92 |
Town panchayats | |||
1 | TNPL Pugalur | 5556 | 91 |
2 | Krishnarayapuram | 10792 | 70 |
3 | Punjaipugalur | 23408 | 94 |
4 | Pallapatti | 30624 | 70 |
5 | Punjai Thottakurichi | 10969 | 108 |
6 | Uppidamangalam | 11292 | 108 |
7 | P.J.Cholapuram | 7484 | 75 |
8 | Puliyur | 12720 | 80 |
9 | Nangavaram | 17629 | 102 |
10 | Marudur | 10925 | 84 |
11 | Aravakkurichi | 12412 | 70 |
Ground Water Level:
The Ground Water levels from the 34 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 2018 |
May 2018 |
5 Years |
5Years |
6.00 |
10.30 |
19.40 |
34.50 |
11.18 |
11.85 |
10.11 |
18.31 |
22.67 |
14.0 |
29.8 | 22.9 | 13.6 | 20.8 |
16.1 |
21.4 |