All typical septic systems have a septic tank, which is usually a sizable buried rectangular or cylindrical box made of cement, fiberglass or polyethylene. Wastewater from all plumbing fixtures drains in to the septic tank. Heavy solids se…

All typical septic systems have a septic tank, which is usually a sizable buried rectangular or cylindrical box made of cement, fiberglass or polyethylene. Wastewater from all plumbing fixtures drains in to the septic tank. Heavy solids se…