We have a private well and lately we have treated it, shocked it and so getting our water from a local artisian well for drinking about 5 miles from home. There are artisian wells in many states of the US.
Here is a 'find a spring' for Wyoming. Wyoming « Find A Spring
Unfortunately, all those springs are over 3 hours away. I'm fine with bottled water and boiling for brushing my teeth. I was just letting folks know what I was doing, just like the thread states.