My Infinit Has Water In Back Passanger Seat Floor

Thanks for any suggestions you may have.
My infinit has water in back passanger seat floor. Whenever it rains there is water dripping onto the floor in the front passenger side of the car. Had the windshield replaced and still leaking. I ve seen cars where the cowl drain got stopped up with leaves water filled up and went over the top of the rain hat. Water on floor passenger side diagnose and fix water on floor passenger side.
When it does that the water drips on the floor right in front of the front seat passenger. The ac is still working but not well. Under the back seat where the battery is there s water also. Im told answered by a verified ford mechanic.
Its tightly sealed to preclude leakage. The battery is sitting in about an inch of water. A damp carpet or water on floor passenger side situation can be caused by a plugged ac condensate drain line a leaking heater core leaking windshield seal a problem with sunroof drains or water ingestion from the fresh air intake on your car s hvac system. I have water in back floor passenger side for over a year now and cant figure out what the heck is causing it.
I had 3 gallons of water spill in my back seat which disappeared so fast the carpet didn t get wet. 2008 buick lucerne under the back seat where the battery is there s water also. I have a 2007 infiniti g35x. I have a 2006 toyota highlander of which i get water on the floor of the driver passenger and back floors.
Water is leaking onto the interior floor in front of front passenger seat. Be careful with getting water in the passenger compartment. The rain hat stops water so long as the rest of the cowl area drains. The battery is sitting in about an inch of water.
According to infiniti service manual ept foam is supposed to be replaced when the battery is serviced to stop water leaking down. I have water on my passenger side back and front floor. I have taken it in and they can t find the source of the water leak. Can t find the problem.
It must be coming from somewhere on the exterior front of the car hood area around the windshield. There is water leaking on the back floor on the passenger side and under seat. I believe there were 5 components which cost 5 000.