We've received comments and questions about the advisability of hauling in additional soil fill over the top of soil treatment areas as part of landscaping projects. If you have read our columns in the past, you know one of our most-quoted design and installation principles is KISS, or Keep It Shallow S——-. You can fill in the last word of the acronym.
The answer to the questions about whether additional cover can be applied is: “It depends.” It depends on the general landscape shape in the area, the original soil characteristics including texture, structure and permeability, current depth of the system, the
Taking a Deep Dive Into Shallow Systems
Finding the sweet spot for drainfield depth will ensure optimal treatment and a long life for your next installation
May 30, 2024 | by Jim Anderson and Dave Gustafson |














