Streams are cleanest in their early stages & a small pit should be dug next to them from where to draw water.
Look for heavy shadow on sat images facing away from populated areas & trees. This area is going to be hot, what else is there? Bing ordnance survey maps can be printed & laminated. I need to be in Lancashire or Essex because of Michael Kingdoms.
People will head to the hills looking for clean water & a cool environment.
