Water in floorboard “Help”

[Pgpd324]

I have taken the hose coming from the ac and blew through it and it was not obstructed. It is not the heater core I believe because it doesn’t smell or look like antifreeze. Anyone have any ideas on what it could be or how to fix. It’s just on area in the passengers side that is about 8”to 10” around. Haven’t seen any weatherstripping leaking either. I’m stumped.