Yikes! Thats rather a challenge, isnt it? But youre quite rightNONE of the water found in the Badlands (the term came from the French, who thought them bad lands to travel across") is regarded as potable. And due to dissolved minerals and very fine sediment, filters and other treatments dont seem to work.
Personally, I dont think its possible to carry enough water for three to four days, especially in hot conditions. A gallon a day barely cuts it for drinking. Then what to do about any cooking? And a gallon weighs 8.33 pounds, so it adds up. Water + gear=80 pounds, easy.
But youre lugging the load, not me, so Ill go along. You could start with four or five plastic milk jugstheyre pretty sturdy. Reinforce the screw-on caps with duct tape or something. As you empty them, you can crush them.
Alternatively, some camping stores sell a thing called the Reliance Fold-A-Carrier. A 2.5-gallon size sells for $7, which is pretty reasonable. Its tough and has a sturdy cap/spigot. MSR also makes a ten-liter (2.6 gallon) version of their Dromedary Bag. Theyre $40 each, and youd need two, but theyre very tough bags and would be about the safest way to carry the water. It would be a shame to spill it!
Somehow this trip does NOT sound like fun. I mean, where is there room for beer?
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