The black and white sketches are courtesy of Carson Dunlop Associates . Scroll Down Basic Landforms Basic landforms. A typical septic tank tank, cross section. Sketch courtesy of Carson Dunlop Associates, Toronto, Ontario. Distribution Box typical location.
Plan view gives cross section of typical leaching bed trench.
Isometric sketch of tank and distribution lines, gives an idea why you need a distribution box. Click on the thumbnail sketches below to see each full-sized illustration. Elevation-view sketch of a tank and drywell or leaching pit system used at some older homes. Sketch courtesy of Carson Dunlop Associates, Toronto, Ontario. Sketch courtesy of Carson Dunlop Associates, Toronto, Ontario.