David Metsky
Well-known member
Or, it would be marked non-potable.wardsgirl said:Common sense would seem to dictate that if the water were truly hazardous, the well would be sealed shut.
Or, it would be marked non-potable.wardsgirl said:Common sense would seem to dictate that if the water were truly hazardous, the well would be sealed shut.
wardsgirl said:Common sense would seem to dictate that if the water were truly hazardous, the well would be sealed shut.
bikehikeskifish said:Isn't it generally considered better to filter/treat water from a moving source rather than a stationary one? While I'm kind of put off that the "well" was used as a latrine, it seems to me that humankind might be too lazy to be sure they are 200' or more from a water source at all times.
So far, I have managed to carry enough water on every trip. I ran out on Tom, Field and Willey, but on the way down, after Avalon, so I wasn't really in any trouble (and I knew I was running out...) I don't own a filter yet. I suppose I should buy an iodine treatment kit for emergency use...
I can see planning ahead for Owl's Head and Isolation and maybe a few others with known reliable running water, but otherwise I just carry. Yes, it's not light, but it's reliable.
Tim
non-potable -Water that is unsafe or unpalatable to drink because it contains pollutants, contaminants, minerals, or infective agents.
Def "potable": fit to drink http://www.thefreedictionary.com/potablealbee said:Correct me if I am wrong, but doesn't non-potable mean it requires treatment before drinking?
SAR-EMT40 said:Without knowing what to treat the water for, how can you render it safe? As I mentioned, you cannot render safe mercury or lead or arsenic contaminants with iodine.
Chemical pollutants can leach out of rocks and soils. Acid rain (largely nitric and sulfuric acid, IIRC) both deposits acids in surface water and can react with rocks to release chemicals (IIRC, including mercury). Mercury is also placed in the atmosphere by burning. (One of the reasons that the DAKs have problems with acidified ponds is that there is little limestone in the rocks and soils to react with and neutralize the acids.)albee said:In the specific case of the Carrigain well, how might these pollutants get into it? I was under the impression that mercury and arsenic were more commonly industrial pollutants and are unlikely to be found in a covered well, high on a mountainside. (Of course, I could be wrong...)
I presume that he was referring to biologically contaminated water. For dissolved non-volatile chemicals you might have to distill the water. For volatile contaminants, it can be even harder.Tom Rankin said:As Lawn Sale once wrote (huge paraphrase here): 'to be completely safe, filter and treat'.
If you do both, you can be fairly sure (but still no guarantees) that the water is drinkable.
albee said:I just think you're going overboard in saying that this was a case of "city-think" and a lack of common sense. Of course that water is non-potable, but in this case I don't think it is non-treatable.
Maybe because weirdos aren't defecating in those sources. Maybe due to its close proximity to The Captain, Carrigain attracts all the loonies.bikehikeskifish said:How about those spring houses on Waumbek? That water runs, at least. One other place comes to mind - a rain barrel at the Cabot cabin which says something similar to non-potable - I forget exactly what, something like "this is rainwater collected off the roof, treat it as such".
Tim
Ed Poyer said:Some have mentioned carrying sufficient water for the day. This peak is also visited by backpackers on their way through the pemi...
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