2015 Z1 front ballast empty pump locations?

[jcl5850]

I just purchase a used 2015 Z1. I was out last weekend using the boat for the 1st time and the front right ballast would not empty. I could not hear the drain pump running. How do I access the pump and ballast? The front seats do not come off. Do I access it where the heater hoses are? Same question for the left side if something ever happens to that side.

Thanks,
Jason