Water fountains:
Terminal 1:
2 are located at the east side near Shinkong Life Insurance; 3 are located in the middle of the Terminal near Subway; and 1 is located on the second floor by the wall near the office in the Dragon Area.
Terminal 2:
1 is located near the Baggage Drop, and another one near FamilyMart.
From the website
#plasticfree