TAMILNADU WATER SUPPLY AND DRAINAGE BOARD


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DISTRICT PROFILE

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Namakkal District Profile

NAMAKKAL DISTRICT PROFILE

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SALIENT DETAILS
Profile	Location	Interior District of Tamilnadu
	Lat.	N 11° 00' to 11° 36' 10”
	Long.	E 77° 40' to 78° 30'
	Area	3429 Sq.Kms
	No.of Taluks	4
	No. of Blocks	15
	No. of Villages	331
	No. of Habitations	3389

Physiographic	Type of Terrain	Hilly with undulating plain terrian
	Elevation in m amsl	Highest Peak of Kollimalai : 1293
	Hills	Kollimalai, Pachamalai Bodamalai and Naraikinaru hills
	River	Cauvery, Vellar
	Tributaries	Thirumanimuthar (Tributary of Cauvery) Suvetha (Tributary of Vellar)
Average annual Rainfall		8001 mm
Temperature in degree Celsius		Max: 24 to 39 Min: 13 to 28
Climate		Subtropical
Rivers Basin		Cauvery, Vellar
Geology		Predominently hard rocks comprising of Charnockites, unclassified Gneisses and Granites

Hydrogeology

Type of aquifer

Discontinous unconfined to semi confined aquifers in fissured formations

Aquifer parameters

Well yield (lpm):

23 – 553

Transmissivity (T)(m 2/day)

9 – 25

Permeability (K)(m/day)

0.26 – 1.63

Depth of Water level

22m to 30m

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

( Based on Ground Water Estimation Committee report)

Utilisable ground water recharge

493.5 MCM

Net Ground Water draft

513.5 MCM

Balance

(-20.01 MCM )

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

OVER EXPLOITED Greater than 100%

Erumaipatti

Namagiripettai

Namakkal

Pallipalayam

Puduchatram

Rasipuram

Sendamangalam

Vennandur

CRITICAL Between 90 and 100%

Mallasamudram

Paramathi

SEMI CRITICAL 70 and 90%

Kabilarmalai

Mohanur

Tiruchengode

SAFE Less than 70%

Elachipalayam

Kolli Hills

SALINE

Nil

RECHARGE STRUCTURES

Check Dams

351

Recharge Trench

Ooranies

Defunct Borewell Recharge

Water supply status as on 1.4.2011

Rural Habitations

Total No. of Rural Habitations: 3565

Partially covered	643 (10-39 lpcd )
Fully covered	2922 (40 lpcd and above)

Urban Towns ( Water Supply status - December 2011)

S.NO	Name of Towns	Population	Present water supply level LPCD
Municipalities
1	Rasipuram	46330	50
2	Komarapalayam	65868	98
3	Namakkal	86158	116
4	Thiruchengodu	80187	98
5	Pallipalayam	35635	70
Town Panchayats
1	Alampalayam	15255	70
2	Mallasamudram	17181	70
3	Vennanthur	13482	70
4	Pillanallur	9161	70
5	Pothanur	13728	70
6	Paramathi	11124	70
7	Vengarai	8928	70
8	Pandamangalam	5952	70
9	Velur	18413	70
10	Sendamangalam	18116	70
11	Mohanur	12468	70
12	Namagiripettai	21446	70
13	Athanur	9377	70
14	Erumaipatti	9301	70
15	Padaveedu	10066	70
16	Kalappanaickenpatty	10278	70
17	Seerapalli	11753	70
18	Pattnam	8213	70
19	R.Pudupatti	11915	70