Pass side floorboard soaked
 

So my pass side carpet* keeps getting* soaked.I don't* think* my as is draining. I Stuck a screwdriver up the hole &felt no blockage &I mean* soaked like I can squeegee it out.Any
Ideas?...I don't think a is draining

heater core leaking? check an see if coolant is low

Cooliant is fine,just dirty water,but I haven't ran the heat in awhile dis it yesterday &had very lukewarm heat.I'm thinking I should back flush it?

Man, every time this happens to me it's that stupid AC core drain is plugged again.