Drawing: Cobra helicopter Drawing: Cobra helicopter
Chapter 6 - Page 5


Rainwater collected in clean containers or in plants is usually safe for drinking. However, purify water from lakes, ponds, swamps, springs, or streams, especially the water near human settlements or in the tropics.

When possible, purify all water you got from vegetation or from the ground by using iodine or chlorine, or by boiling.

Purify water by —

By drinking non-potable water you may contract diseases or swallow organisms that can harm you. Examples of such diseases or organisms are —


If the water you find is also muddy, stagnant, and foul smelling, you can clear the water —

Note: These procedures only clear the water and make it more palatable. You will have to purify it.

To make a filtering system, place several centimeters or layers of filtering material such as sand, crushed rock, charcoal, or cloth in bamboo, a hollow log, or an article of clothing (Figure 6-9).

Drawing: Water filtering systems.

Remove the odor from water by adding charcoal from your fire. Let the water stand for 45 minutes before drinking it.

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Updated: 12 January 2008
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