You'll have to raise your relationship with Katey before you can renovate the tower :)
I'm at full relationship with Katey but I'm still can't understand how I need to renovate the water tower thx btw
Ah wait, are you playing the demo? I think that's not part of the game yet. You can find the latest version of CMW on my Patreon if you're a subscriber.
Unfortunately I'm not but I really want to be subscriber
