No suprises.
Travellers are left to buy expensive and wasteful plastic bottles of water after passing through security, says consumer website MoneySavingExpert.com
MSE asked 30 UK international airports if passengers can fill up free of charge at a water fountain after going through security. While many of the bigger airports, including Heathrow, Gatwick, Manchester and Stansted, do have fountains on the airside, 18 said they did not.
https://www.theguardian.com/environm...ater-fountains