Whether you're looking to install a septic system as part of a new construction home or to replace an old septic system, septic tanks should be installed by professionals only.

For a septic tank under 1,000 gallons, the tank itself will likely cost between $500 and $1,200, according to HomeAdvisor, while a tank that’s 1,200 gallons or more is more likely to cost $1,200 ...

The lids on your septic tank are made from metal, so a metal detector might also lead you to your septic tank, where you can then mark a rough outline of it. 6. Spot the Greenest Part of Your Grass ...