How To Find Your Septic Tank Lid. This is what will indicate how many lids are on your septic tank. In your basement, locate the area where the septic lines leave your home.
You can use a metal probe to locate its edges and mark the perimeter. These slots are very small, and at a glance, you will most likely not see them. Alternative methods of finding the septic tank lid use the sewer line and probes
Septic tank lids are normally set in the range of four inches to four feet deep into the ground.
In some cases, a septic tank riser may have been installed and that will make it easy to locate your septic tank. In most cases, septic tank components including the lid, are buried between 4 inches and 4 feet underground. This lid gives you access to the ports and pipes of your distribution box. It isn’t always easy locating the lid, though, as grass, dirt, or debris can conceal the septic tank lid.