What Wastewater System do I need?
Last updated: September 2026
Reviewed by: Online Tank Store Technical Team
View our simple flowchart to help explain the system differences.
Choosing the right wastewater tank depends on how your property uses water, how many people it needs to serve and how the wastewater will be managed or discharged. From septic tanks and sewage treatment plants to cesspits and pump stations, each system is designed for a different application.
Use the flow chart below to help gain an understanding of which system would be best for you and your set up.
Wastewater systems flowchart
Below you will find a useful flowchart to simplify the choice of a wastewater system. There are a number of variables for each type.
Wastewater Categories
📖 EXPLORE THE COMPLETE GUIDE
Wastewater Solutions: Buyer’s Guide
Discover the different wastewater systems available, compare your options and find the right solution for your property or application.
Read our Wastewater Solutions Guide

