Onsite Watewater Treatment Systems are systems relying on natural processes and/or mechanical components that are used to collect, treat, and disperse or discharge wastewater from single dwellings or buildings.

Onsite Wastewater Treatment System. A system relying on natural processes and/or mechanical components to collect, treat, and disperse or reclaim wastewater from a single dwelling or building.

a system that uses natural processes and mechanical components to collect, treat and disperse wastewater from single dwellings or other buildings or structures