Water Resources Center

The Water Resources Center is affiliated with the College of Food, Agricultural and Natural Resource Sciences and University of Minnesota Extension.

Technical Septic System Options


In Minnesota there are different methods used to properly treat wastewater with an onsite system.

Conventional Systems

Standard systems are the simplest way to effectively treat wastewater, but occasionally site characteristics such as lot size, soil type, site disturbance, flow and wastewater characteristics limit the options available.

In-Ground SystemsAbove-Ground Systems

Non-Conventional Systems

Advanced Treatment Systems

Pretreatment Units

Final Soil Treatment and Distribution

General Information

Onsite System Options Overview

Systems for Small Lots and Poor Soils

Alternative Sewage Treatment Systems

Installer Magazine News Articles
Reprinted with permission from Onsite Installer, COLE Publishing Inc.