How can there be functioning bathrooms in high rises?

https://lemmy.world/post/17361604

How can there be functioning bathrooms in high rises? - Lemmy.World

It seems like such a huge amount of water and would require so much energy to get it that high, plus there’s the waste to deal with

Waste is easy, it goes down.

For pressure, high rises have a pump in their machine room that pumps water upwards. It used to be water towers on the roofs of buildings that aides pressure

And water towers are still used to manage water pressure demands in municipalities.
Yeah - if you’re in NYC at any point and go up anywhere you can see roofs of a lot of buildings, you’ll see a TON of water tanks and towers on older stuff.
All i know about NYC, i learned about in hey Arnold. I would be disappointed if i go to NY and find that there are no water tanks and gardens on roof tops

source

(It’s not just older stuff, by the way. They’re actually still made of wood like that to this day, because it’s apparently the best way to do it.)

The history behind NYC's water towers | 6sqft

While these wooden relics look like a thing of the past, the same type of water pumping structure continues to be built today, originating from just three family-run companies, two which have been operating for nearly 100 years.

6sqft | NYC Real Estate news and information
Yep, there’s a Dirty Jobs episode about it.