84% of the watershed is
shown to be suitable for septic systems.Light red areas are more suitable for septic systems.Less than 1% is completely
unsuitable.It seems wrong that
most of the watershed is suitable given that almost the entire watershed area
is covered in unsuitable soils.However, the gentle slopes are more important in the model and explain
the discrepency.
Areas that are unsuitable for septic systems can be
made suitable by adding loam and sand to the soil.This improves the filtering capabilities of the soil.
