A water main break flooded a subway station in Greenwich Village on Wednesday night. (Instagram/johnvlahakis)A water main break flooded a subway station in Greenwich Village on Wednesday night. (WABC Photo/ WABC)A water main break flooded a subway station in Greenwich Village on Wednesday night. (WABC Photo/ WABC)A water main break flooded a subway station in Greenwich Village on Wednesday night. (MTA)A water main break flooded a subway station in Greenwich Village on Wednesday night. (MTA)A water main break flooded a subway station in Greenwich Village on Wednesday night. (MTA)NEW YORK -- A subway station in Greenwich Village was flooded Wednesday night when a water main broke.