Advanced Treatment for Lots with Fine-Textured Soil

Soils in southern Minnesota tend to be loams and clay-loams. “Glaciers that sat for thousands of years really did a good job of compacting our soils,” observes Stacey Feser, owner of Feser Environmental based in Le Sueur. “We don’t have the best water movement through these soils. There are a lot of mound systems here just because our soils have finer texture.” Sometimes conditions call for aerobic treatment units. That includes small lots where an ATU cleans septic tank effluent well enough to justify a reduction in drainfield size or the separation distance between the drainfield and groundwater. It also includes