Clark D F Inc

But not to worry, properly installed and maintained, the system can be sanitary and unobtrusive. It's true however that some maintenance is needed. First let's look at a very basic understanding of what's installed and how it works. In a typical modern system, waste from house plumbing, kitchen sink, bathroom sink, shower, toilet, laundry flows through house waste pipes into a two-part system: a septic tank, whose job is to retain all solid waste, and a soil absorption system whose job is to permit clarified effluent liquid from the tank to seep into the soil.