How do you drink water?

Okay this is kinda a weird post so I'm sorry in advance. But my situations kinda weird.

I have like an ocd problem that I've had since I was a kid. I'm very picky with the water I drink. Basically I only drink bottled water which I usually buy a 24 pack for like 5 bucks at my local store. But it gets expensive and messy with drinking 3 to 4 bottles a day and filling up my recycling and having to buy a new pack each week.

Tap water is repulsive to me and I even got a brita and the water tastes weird.

When I go to the gym or to work I usually bring a big ol jug of water cause yknow convenience. And theoretically I could just fill it up using my works water dispenser but I don't wanna look like a douche filling up a giant jug with water.

I live in an apartment so I can't exactly buy a 2000 dollar water filtration system.

Any advice??