CapeCast: An oasis in Sandwich!

On today's CapeCast: We belly up to what may be the finest drinking water on Cape Cod, maybe the whole world! Watery fans rave about the always-flowing artesian well next to town hall in Sandwich--we get to the bottom of it all.

[@martianspy]

How is the quality of this water tested? Does the town of Sandwich test it for the usual contaminants? I'm leery of drinking it seeing all of those goose droppings just a stones throw away.