How To Find Your House Septic Tank. The important thing to know is that your outlet port is parallel with your inlet port. When you purchased your home, you should have received a diagram of your property detailing the location of your septic tank.
The inlet is located somewhere outside. You can use a metal probe to locate its edges and mark the perimeter. Ask what the relationship is like and whether the neighbour is friendly and helpful when it comes to any repairs or replacements of the septic tank.
Find the main bathroom window.
You can expect the tank to be set back about 10 or 20 feet away from the outside of your home. Open the inlet of your tank and take a look. You can use a metal probe to locate its edges and mark the perimeter. If you know the location of your septic tank, it is easier to identify different issues related to the tank.