TAMILNADU WATER SUPPLY AND DRAINAGE BOARD


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DISTRICT PROFILE

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TIRUCHIRAPALLI DISTRICT PROFILE

TIRUCHIRAPALLI DISTRICT PROFILE

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SALIENT DETAILS
Profile	Location	Inland district of the State
	Lat.	N 10° 16' to 11° 22'
	Long.	E 78° 15' to 79° 16'
	Area	4421 Sq.Kms
	No.of Taluks	8
	No. of Blocks	14
	No. of Villages	408
	No. of Habitations	2867

Physiographic	Type of Terrain	Plain topography
	Elevation in m amsl
	Hills	Kolli hills, Pachamalai hills
	River	Cauvery, Coleroon
	Tributaries	Aiyaru, Uppar, Koraiyar
Average annual Rainfall		820 mm
Climate		Subtropical
Temperature in degree Celsius		Max: 26.7 to 38.56 Min: 18.7 to 29.3
River Basin		Cauvery
Geology		Hard rock mostly Charnockites and mixed Gneiss with river Alluvium.

Hydrogeology	Type of aquifer	Water Table to Semi confined conditions.
	Aquifer parameter:	Alluvium	Cretaceous	Hard rock
	Well yield in lps:	10 - 20	1.1-3.5	1-2
	Transmissivity (T) m 2/day	49 - 216	33 – 782	32 – 80
	Permeability (K) m/day	2 – 5	10 – 66	5 – 10
	Specific capacity. (lpm/md)	7.2	0.3 – 2.56	0.8 – 2.5
Depth of Water level		3 m to 15m

GROUND WATER POTENTIAL AS ON JANUARY 2003 (AS PER CGWB & PWD)

( Based on Ground Water Estimation Committee report)

Utilisable ground water recharge

709.7 MCM

Net Ground Water draft

497.8 MCM

Balance

211.9 MCM

BLOCKS WITH STAGE OF GROUNDWATER DEVELOPMENT ( As on March 2004 )

OVER EXPLOITED Greater than 100%

Manapparai

Tattayangarpettai

Thuraiyur

Uppiliyapuram

CRITICAL Between 90 and 100%

Musiri

SEMI CRITICAL 70 and 90%

Nil

SAFE Less than 70%

Andanallur

Lalgudi

Manikandam

Thottiam

Mannachanallur

Marungapuri

Pullambadi

Thiruverumbur

Vaiyampatti

SALINE

Nil

RECHARGE STRUCTURES

Check Dams:

172

Percolation Ponds:

Ooranies:

Recharge Trench

Defunct Borewell Recharge:

Water supply status as on 1.4.2011

Rural Habitations

Total No. of Rural Habitations: 2867

Partially covered	154 (10-39 lpcd )
Fully covered	2713 (40 lpcd and above)

Urban Towns

S.NO	Name of Towns	Population	Present water supply level LPCD
Corporation
1	Tirchi	795938	100
Municipalities
1	Thuraiyur	31005	72
2	Manapparai	35770	72
3	Thuvakudi	35428	90
Town Panchayats
1	Musiri	27941	75
2	Poovalur	8906	72
3	Manachanallur	21511	71
4	Kallakudi	11491	70
5	Sirugamani	9994	80
6	Mettupalayam	7550	70
7	Thathaiyangarpettai	12286	70
8	Thottiyam	13683	71
9	Kattuputhur	11118	71
10	Pullampadi	11215	53
11	Lalgudi	23405	71
12	Uppliyapuram	6699	69
13	Balakrishnampatti	8582	72
14	Ponnampatti	10660	70
15	S.Kannanur	11782	76
16	Koothappar	17056	92