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1

Here in Colorado just about all the rivers, even little creeks, have giardia spores in them. Giardia is really a tough thing to kill. Just boiling the water won't do it. There are some very tiny filters that can, but you have to be very gentle with them or the filter breaks. The DEA has halted sales of iodine, which could purify water, because iodine can be ...


2

This probably won't apply to Europe, but I live next to this awesome lake, and a friend of mine actually own a water bottling company! Above is the Kandy lake, which is located right next to a few mountains. We don't even touch this water. However, I still think it's somewhat safe to assume that you can drink water that is right next to a mountain. ...


15

My parents live in the countryside (in the UK, not Colombia, admittedly), their tap water comes from a natural spring. They don't drink it. The problem is the water like this tends to be in the open have a lot of crap can get in there. Including literal crap, live and dead animals, chemicals from farms and other businesses, etc, etc. The closer you get to ...


6

The advice that water in cities is more likely to be drinkable is based on that larger urban water systems tend to have some degree of water treatment (i.e., chlorination, ozone, or UV-based) that will kill bacteria, viruses, parasites, and spores. However, the water source itself may be of questionable quality from the perspective of other pollutants (heavy ...



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