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• 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 tributary rivers namely Amaravathi, Kodaganar and Noyyal drain the western part of the district
The average annual rainfall and the 5 years rainfall collected from IMD, Chennai is as follows:
Acutal Rainfall in mmNormal Rainfall in mm
Rock TypeGeological Formation
Hard RockGneiss, Charnockite Granite,
Quartzite, Alluvium
Type of aquifer Water Table to Semi confined conditions
Aquifer parametersHard rockAlluvial formation
Well yield lps): 1.66 – 2.58.3 – 16.66
Transmissivity (T)(m 2/day)28 – 75 45 - 205
Permeability (K)(m/day)5 – 92-4.5
Specific Yield in %)0.7 – 2.36.8
Depth of Water level3m -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:
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 Roof top 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 DistrictCritical
 Categorization of Firkas:
The status of Categorization of firkas as of March 2013 for the District is shown below.
Categorisation based on Extraction (as on 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 1.4.2017
 Rural Habitations
Total No. of Rural Habitations: 2457
Partially covered763 (10-39 lpcd )
Fully covered1694 (40 lpcd and above)
 Urban Towns (Water supply status - Sep 2016)
S.NOName of Towns Population Present water supply level LPCD
1 Karur 70980 90
2 Kulithalai 27910 90
Town panchayats
1 TNPL Pugalur 5556 91
2 Krishnarayapuram 10792 70
3 Punjaipugalur 23408 90
4 Pallapatti 30624 66
5 Punjai Thottakurichi 10969 108
6 Uppidamangalam 11292 108
7 P.J.Cholapuram 7484 75
8 Puliyur 12720 70
9 Nangavaram 17629 82
10 Marudur 10925 94
11 Aravakkurichi 12412 79
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