WATER! WATER! HOW SAFE?

INTRODUCTION  Water is the fountain head of life.  For the development of human societies, water should be available in the acceptable quantity and quality.

NEED  In city everybody uses packaged drinking water.  To compare packaged drinking water requirement of Urban and Rural people.

METHODOLOGY  Survey in Varthur village - 22kms away from the city.  Analysis of water samples from bore well and public taps.

Data collected  Out of 72 houses, 43 houses use packaged water.  10 houses are using aqua guard.

Hypotheses  People in Varthur prefer packaged drinking water because tap water is hard and contaminated.

Water sampling parametersObtained ValuesPermissible Limits Sampling Point Bore well Tap Calcium(mg/L) Hardness(mg/L) /mg/L Chloride(mg/L) Turbidity(NTU)<10 Should not be greater than 10 NTU Phosphate(mg/L) Sodium(mg/L) Potassium(mg/L)9197No limit specified

DATA ANALYSIS  Water is hard  High concentration of Sodium and Chloride  Bore well sample shows high concentration of Calcium and Phosphate

RESULT  Proved villagers’ statement

CONCLUSION  Drinking water treatment plant to be established.  Water sources should be protected.