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Originally Posted by Betonov
Depends on the source of the water. If you drink from a moutain of forrest stream those particles are harmless minerals. And some biological stuff that can get jiggy in standing water, to quote Dowly.
Whether a more urban source of water thats purified and chlorined but carries with it glassfibers or plastic or any other household insulation (lets say after a disaster) a standing water source would be preffered for the reasons you pointed put.
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Yeah as I figured it's not as simple as Dowly implies. For example stream water can also suspend Guardia.
Quote:
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Deep areas of large lakes may be one of the safest places to fill your bottles. Furtman recommends staying away from shorelines or streams, unless the water is going to be boiled for cooking, because beavers travel there and moving water can suspend Giardia.
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http://bwca.cc/tripplanning/waterfiltration.htm