In Rime of the Ancient Mariner, Samuel Taylor Coleridge writes, “Water, water everywhere, and all the boards did shrink. Water, water everywhere, nor any drop to drink . . . .” Though he’s writing about sailors stuck at sea who are surrounded by undrinkable sea water, have you ever asked if your camp water supply is just like that: all around you, but not drinkable? Some time back, this column looked at common issues with camps’ potable water systems.