Out here in the country where I now live, it is a good thing if your septic tank is located on a lower elevation than your house. If it is not, you need something called a macerator to grind up the poop so that it can be pumped up to your septic tank, because as we all know, shit rolls downhill.
To put this in the context of a law firm, one might note that the most senior partners are usually on the highest floor of the office building.