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Why Do I Need a Soil Test?

The composition of the soil beneath us varies greatly by state, town and even among properties on the same street. Properties have distinct types of soils, varying water table levels, different amounts and types of rock, and sometimes trash buried beneath them. It is crucial to understand what type of soil a property has before a septic system can be installed. Soil testing gives us key information to determine the overall size of a system and where and how deep they can be placed.

Soil testing is a required step before designing and installing a septic system. In fact, it is often required for other home-improvement projects, such as adding a pool, an addition, a garage, deck, or shed.

Digging test holes for septic system installation

What is a Soil Test?

To start the soil testing process, we contact the Health Department to set up a day and time for an appointment. A sanitarian from the local Health Department and one of our project managers visits the property on the date of the scheduled appointment. Upon arrival, several 6-8 foot-deep pits are dug with a mini excavator on various parts of the property. The soil is then examined in each of these pits to check for soil types and consistency. Additionally, a percolation test is completed, which consists of pouring water into a small hole and seeing how quickly it drains. We can immediately give our customers an idea of the soil types as we uncover them since we are onsite with the Health Department during this process.

The Health Department will then complete a soil evaluation form, which identifies the soil conditions in each test pit and also the results of the percolation test. At this point, we will be able to come up with the most efficient design for a septic system that will treat your sewage safely and effectively. Taking this step protects our surface water and groundwater from becoming contaminated and provides you with a functioning onsite subsurface sewage disposal system that should last for many years.

Contact us today to schedule a test. We will correspond with your local health department and schedule your tests on the earliest available date.

Percolation test soil testing septic system installation