Getting sick has a good enough ability to ruin a nice trip as none wants to have some extra bathroom stops. For travelers, contaminated drinking water is considered a leading source of health problems as it can become the cause from gastrointestinal distress to serious bacterial diseases.

Bacteria like E.coli, cholera and salmonella are the commonest cause of water-borne illness. Similarly, protozoa like giardia and cryptosporidium, viruses like hepatitis A, rotavirus, and polio viruses and some chemical pollutants also become the cause of many water-borne diseases.

You can better protect yourself from these eternal invaders if you avoid local tap water and use only bottled water. You can use tap water after boiling as it kills most of micro-organisms and there are many such water filters and purification tablets are available that you can easily pack in your luggage.

Mexico is quite notorious for its contaminated water and similarly travelers are at a high risk of waterborne diseases in many countries of Central America, Africa, Asia and Middle East. While moderate levels of risk   are found in countries Russia, Argentina, Chile, South Africa and Eastern Europe. In many developed areas of the world like the Canada, the U.S, Australia, New Zealand, Western Europe and Japan, drinking water is considered the safest.

You must keep in mind that quality of water may vary in different areas of some country and your safety depends on where you are in some particular country. It is not necessary that the so-called developed countries are entirely risk-free.

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