Front right side floor board is wet and not the entire front right. It's only along the side near center console. Any chance it's a sip in from through wiper panel or blocked air con drainage? Buy air con blower is one the left behind the glove box. No clue.
put a little bit on the tip of your tongue, if it tingles its your heater core. obviously dont drink it LOL. it could also be the drainage pipe from the top of the targas, but if its on the center side it will most likely be heater core. any wet patches on passenger side?
If it is the heater core you can bypass it, so you don't need to pull the whole dash out to fix it. There should be an article on it in the tech section.