Why is my playstation 4 controller pressing left when im not?

I woke up and started to look for my dualshock4 controller. I found it in my cats water bowl. First thing i did was take it apart and dry/ clean it down to the rubber pads. After reassembling and turning it on i noticed it kept spamming left. So i went on COD IW game into a private match to determin whether or not it was d-pad or joystick. It seemed to be the d-pad based on the button action. So i took it all apart down to the rubber again for a deap clean. Nothing. Still left d-pad spam. I ended up leaving the battery and led light in while i examined it and noticed it was spaming the left d-pad even though the rubber pad and the plastic green line looking thing weren't even touching. They are a foot apart . I searched the internet to my beast ability and couldnt find anything like this. Can somebody please help me?