I've always found Boston tap water to be excellent too. It comes from the Quabbin Reservoir in central Massachusetts, and is a claim-to-fame for Sam Adams beer.

I've always found Boston tap water to be excellent too. It comes from the Quabbin Reservoir in central Massachusetts, and is a claim-to-fame for Sam Adams beer. They even mimic the water in their breweries elsewhere. In general mountain water I think is the best. People don't really think about it this way, but New York is actually very close to two mountain ranges (the Taconic range of the Appalachians, and the Catskills). The Taconics are the dramatic peaks you see when crossing the Hudson a bit further north around Newburgh, and the Catskills are the much larger mountains slightly more inland.