Method I just want to jump off a building tall enough

[patheticq]

I live in utah, west valley from anywhere to salt lake city or kaysville. Originally I planned to kill myself on February 29th but I don't think I can really wait that long again, and I'm not sure what to even search for that'd allow me to go to the top of their roof or even if there are any places close that lets me land on water. I don't know. I just don't want to be here anymore and I can't see myself being able to buy a gun for obvious reasons; I'm too open about my mentality.
If theres no place then maybe id just partial hang myself. Not that it's ideal though..