I build multiple of all 4 water buildings all over the map and my water storage never gets any higher than about 22.
I've tried building them right next to each other, with water towers' "radius" thing overlapping, and nothing seems to make any difference to how much water storage I have.
I've tried building them right next to each other, with water towers' "radius" thing overlapping, and nothing seems to make any difference to how much water storage I have.