https://knowledge.growingthecommons.org/ 2026-05-06T04:35:11+00:00 https://knowledge.growingthecommons.org/ https://knowledge.growingthecommons.org/lib/exe/fetch.php/favicon.ico text/html 2026-03-26T18:33:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://knowledge.growingthecommons.org/doku.php/sept/septic_tanks?rev=1774550017&do=diff This topic is part of Water & sewage. Septic tanks & drainage fields ---------- ""The Grass is always greener over the septic tank." - Erma Bombeck" What is a septic tank and drainage field system? Septic tanks are settling systems for use with flush toilets (and grey water) to achieve a reduction in suspended solid levels prior to disposal and further treatment of the liquid effluent in a drainage field. A drainage field (alternatively a leachfield, percolation area or infiltration area…