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This document describes onsite wastewater soil absorption systems (WSAS), which have the potential to achieve high treatment efficiencies over a long life service at low cost. Information is given on the function and performance of WSAS, the current state of knowledge, and identifying major gaps in predicting system performance.
SIEGRIST, R. L., TYLER, E.J. and JENSSEN, P.D. (2000): Design and Performance of Onsite Wastewater Soil Absorption Systems. St. Louis, Missouri (USA): Paper presented at National Research Needs Conference, Risk-Based Decision Making for Onsite Wastewater Treatment, 19–20 May. URL [Accessed: 23.01.2019] PDF![](/sites/default/files/reference_icons/Jenssen%20and%20Siegrist%201990%20Technology%20Assessment%20of%20Wastewater%20Treatment%20by%20Soil%20Infiltration%20Systems.jpg)
Infiltration of wastewater in buried soil infiltration systems has been promoted as a low cost, effective alternative for treatment and disposal of wastewater flows from commercial developments and small communities. However, design and performance relationships are not always well defined and systems are often implemented based on local tradition and empiricism. This paper describes design criteria especially for large subsurface wastewater treatment systems.
JENSSEN, P.D. ; SIEGRIST, R.L. (1990): Technology Assessment of Wastewater Treatment by Soil Infiltration Systems. In: Water Science & Technology: Volume 22 , 83-92. URL [Accessed: 23.01.2019]![](/sites/default/files/reference_icons/JENSSEN%20et%20al%202010.%20Filter%20bed%20systems%20treating%20domestic%20wastewater%20in%20the%20Nordic%20countries.png)