TAMILNADU WATER SUPPLY AND DRAINAGE BOARD


About Us \| About Us Board Of Directors Organisation Chart Establishment Documents \| TWAD Board Act and Regulations Policy Notes Announcements TWAD Schedule of Rates Model Bid Documents Delegation of power at various levels Tender Transparency Act Norms Followed Schemes \| Major Water Supply Schemes Rural Water Supply Schemes Urban Water Supply Schemes Combined Water Supply Schemes Under Ground Sewerage Schemes Deposit Works Maintenance Schemes Project Formulation Tsunami Relief Measures Hognekkal WS & FMP Finance \| Centage Charges Tariff Funding Sources Support Activities \| Hydrogeology Water Quality IT initiatives Training Maps \| Blocks Contaminated Sources Flouride affected Nitrate affected Iron affected Faecal colliform Achievements \| Ramnad Mega Drinking Water Supply Scheme Water Supply Schemes Under Ground Sewerage Schemes Awards-IT initiatives Tenders \| Current Tenders Archive Tenders GOs & BPs \| Schemes Contracts, O & M Accounts Establishment State - District Profile \| Photogallery \| Links

DISTRICT PROFILE

Untitled Document

Home

TamilNadu Map

Krishnagiri District Profile

KRISHNAGIRI DISTRICT PROFILE

Click This Image To Zoom

SALIENT DETAILS
Profile	Location	North western Part of the State
	Lat.	N 12° 09' and 12° 54'
	Long.	E 77° 27' to 78° 41'
	Area	5169 Sq. Kms
	No.of Taluks	5
	No.of Blocks	10
	No.of Villages	337
	No.of Habitations	4258

Physiographic	Type of Terrain	Mainly undulating pugged terrain surrounded by hill ranges in the North and west
	River	Pambar, Ponniyar, Chinnar, River Cauvery flows along the SW boundary.
Average annual Rainfall		857 mm
Climate		Subtropical
Temperature in degree Celsius		Min: 20 Max: 40
River Basin		Cauvery, Ponnaiyar
Geology		Mostly crystalline rocks comprising of Charnockites, Granites and unclassified Gneisses.

Hydrogeology

Type of aquifer

Discontinous unconfined to semi confined aquifers in fissured formations.

Aquifer parameters

Well yield in lpm

36 – 1125

Transmissivity (T)m 2/day

8 – 73

Transmissivity (T)m 2/day

8 – 73

Permeability (K)m/day:

0.78 - 23

Depth of Water level

8m to 25m

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

( Based on Ground Water Estimation Committee report)

Utilisable ground water recharge

384.389 MCM

Net Ground Water draft

358.03 MCM

Balance

26.354

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

OVER EXPLOITED (Greater than 100%)

Bargur

Mathur

Uthangarai

Veppanapalli

CRITICAL Between 90 and 100%

Nil

SEMI CRITICAL 70 and 90%

Hosur

Kaveripattinam

Shoolagiri

SAFE Less than 70%

Kelamangalam

Thalli

Krishnagiri

SALINE

Nil

RECHARGE STRUCTURES

Check Dams

325

Percolaction Pond:

Ooranies:

Defunct Borewell Recharge

Water supply status as on 1.4.2011

Rural Habitations

Total No. of Rural Habitations: 4403

Partially covered	158 (10-39 lpcd )
Fully covered	4245 (40 lpcd and above)

Urban Towns ( Water Supply Status - December 2011)

S.NO	Name of Towns	Population	Present water supply level LPCD
Municipalities
1	Krishnagiri	64587	90
2	Hosur	136117	70
Town Panchayats
1	Denkanikottai	19328	70
2	Kaveripattinam	14378	70
3	Bargur	12582	70
4	Nagojanahalli	8409	70
5	Uthangarai	15443	64
6	Kelamangalam	11052	70