A good septic ... system works: Instead of shunting wastewater into the sewer system, a septic system sends all water (and any waste) from sinks, showers, and toilets into a large watertight tank ...

Learn More › The phrase “septic system ... work to break down the solids and release the grease, oil, and fats (the scum). The byproducts rise to the top, where they hang out in the tank ...

Learn More › A septic tank should be pumped regularly, or else it can cause your home’s entire wastewater system to back up.