Almost 2 years ago (April 19, 2012) while attending book launch party for Made in New York (Rizzoli USA) at Ralph Pucci Showroom NYC, I caught a glimpse of water tower on a roof nearby and took this one and only photo.
Don't ask me how many gallons this water tower holds.
(* Location: between 18th and 17th Street, near 6th Avenue, Flatiron District, NY)