TAMILNADU WATER SUPPLY AND DRAINAGE BOARD


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DISTRICT PROFILE

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Coimbatore District Profile

COIMBATORE DISTRICT PROFILE

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SALIENT DETAILS
Profile	Location	North Western part of the State
	Lat.	N 10° 12' to 11° 57'
	Long.	E 76° 39' to 77° 56'
	Area	4707.5 sq. Kms
	No.of Taluks	5
	No. of Blocks	12
	No. of Villages	229
	No. of Habitations	1826

Physiographic	Type of Terrain	Hilly with undulating plains
	Elevation in m amsl	Min:600 Max:2500
	Hills	Anamalai, Sirumuga malai ,Nilgiri hill(westernghats),Boluvampatti,Janakal and Vellingiri
	River	Noyil, Bhavani, Amaravathi, Aliyar and Palar
Average annual Rainfall		719 mm
Climate		Sub-Tropical
Temperature		Max:36°C – 41° C Min: 14°C – 31° C
River Basin		Cauvery River Basin Parambikulam – Aliyar River Basin
Geology		Completely covered by hard rock represented by Charnockites, Gneisses.

Hydrogeology

Type of aquifer

Confined to semi confined to unconfined aquifers.

Aquifer parameters Yield

50 – 300 lpm

Transmissivity (T):

1.49 – 164.18 m2/day

Permeability (K):

0.25 – 26.75 m/day

Depth of Water level

7m to 25m

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

OVER EXPLOITED Greater than 100%

Name of Blocks

Annur

Kinathukadavu

Madukarai

P.N.Palayam

Pollachi North

Pollachi South

Sarkarsamakulam

Sultanpet

Sulur

Thondamuthur

CRITICAL 90 and 100%

Karamadai

SEMI CRITICAL 70 and 90%

Pongalur

Tiruppur

SAFE Less than 70%

Anamalai

SALINE

Nill

RECHARGE STRUCTURES

Check Dams

247

Percolation Ponds

Ooranies

Defunct Bore well Recharge

Water supply status as on 1.4.2011

Rural Habitations

Total No. of Rural Habitations: 1985

Partially covered	514 (10-39 lpcd )
Fully covered	1471 (40 lpcd and above)

Urban Towns ( Water supply status - December 2011)

S.NO	Name of Towns	Population	Present water supply level LPCD
Corporations
1	Coimbatore	1341095	138
Municipalities
1	Mettupalayam	66595	152
2	Pollachi	88302	200
3	Valparai	95101	122
Town Panchayats
1	Gudalur	21966	64
2	Narasimhanaickenpalayam	11271	55
3	Sarkarsamakulam	7982	70
4	Edikarai	6333	70
5	No.4 Veerapandi	12794	56
6	Karumathampatti	26477	55
7	Karamadai	27817	57
8	Anamalai	16467	108
9	Dhaliyur	9658	60
10	Periyanaickenpalayam	22844	53
11	Annur	18052	70
12	Pallapalayam	9898	64
13	Erugur	18622	57
14	Vellalur	17340	70
15	Kannampalayam	11940	63
16	Madukarai	26441	50
17	Othakalmandapam	10320	67
18	Sulur	24152	39
19	Thirumalaiyanpalayam	11136	70
20	Ettimadai	7543	55
21	Sirumugai	19383	90
22	Jamin Uthukuli	14859	79
23	Udayarkulam	11999	65
24	Vettaikaranpudur	18360	65
25	Kottur	25261	65
26	Perur	7965	70
27	Chettipalayam	8103	33
28	Thondamuthur	9340	46
39	Vedapatti	9732	127
30	Puluvapatti	11964	60
31	Kinathukadavu	8651	40
32	Sooleswaranpatti	18211	45
33	Periyanagamam	7683	60
34	Mupperipalayam	8732	49
35	Samathur	5812	70
36	Thenkarai	7247	104
37	Alandurai	7130	89