A septic tank is a large concrete or plastic underground tank that ... Effluent is the liquid wastewater left over after the scum goes to the top and the sludge settles on the bottom and flows ...

Most septic tanks are made of concrete, but they can also be made ... lawn mower or similar machine passing over the top. Never flush anything down a drain that does not belong in a septic ...

How does a precast concrete septic-tank root cellar hold ... miscommunication could have been avoided. The tank already had flanges around the top, and these let me put in vent pipes without ...

If you understand the workings of your septic system very well, you can recognise clues when something is going wrong. The septic tank accommodates the waste water that flows from toilets, laundry ...

Make this root cellar by burying a new concrete septic tank into a hillside. Stow your surplus with these underground root cellar plans. This modern root cellar design turns a never-used septic ...