What is an Onsite Wastewater System (aka: Septic System)?

All wastewater treatment systems, either municipal or single family onsite wastewater systems include:

  • Collection system

  • Treatment components

  • Dispersion into the environment

In this picture of an example onsite wastewater system:

  • #1 is the building sewer or collection system leading to

  • #2 the septic tank which is the first step in the treatment system followed by

  • #3 and #4 the drainfield where the final treatment and dispersal into the environment happens

    septic tank and drainfield system