There's lots of water on the moon for astronauts. But is it safe to drink? 

 A new moon water challenge from the United Kingdom and Canada asks participants to purify the liquid for safe drinking, in time for astronaut lunar landings later in the 2020s. 

https://cdn.mos.cms.futurecdn.net/UPKjGwCRwhhgLwBijBd4hN.jpg

https://www.space.com/moon-water-astronauts-aqualunar-drinking-safety-contest