Originally Posted by
alan s
You’re better off bringing water with you. The pump handles are in on the C&O, but the water is treated with iodine and tastes bad. Plenty of places along the way to refill bottles. If riding in hot weather, bring a couple spare bottles of water in your panniers. I tried cleaning my bike at Roundbottom on the GAP, and the pump water was muddy. Worked fine for cleaning, but that’s about it.
I haven't been there in ages, but some water on the C& O was okay and other place it was terrible. It was such that you could stock up and carry extra from the good pumps and skip the bad ones back then. If the pump handles are on, I'd guess it is the same now.