New York City is very lucky in regards to its water supply, it mostly comes from the Catskills Mountains in upstate New York. They don't even have to filter it

New York City is very lucky in regards to its water supply, it mostly comes from the Catskills Mountains in upstate New York. They don't even have to filter it. https://en.wikipedia.org/wiki/New_York_City_water_supply_system https://en.wikipedia.org/wiki/New_York_City_water_supply_sys...