Okay you will not be able to block strikes by aliens they could destroy the water like walls or other buildings. But as I cut down not this water card, I know you can load save. Or when water is needed in a certain area.

Hello, we have leveling rock material (grasses) I do not hide is very handy but playing today I noticed that I could use the material that changes the grass in the water . On
An example of too much water has changed into grass or wants to fence water with alien attacks.