Which factor is NOT considered when assessing the conditions for mound installation?

When assessing conditions for mound installation in a septic system, it is essential to consider several key factors that directly impact the system's performance, functionality, and overall effectiveness. Among these factors, soil type, water table depth, and ground slope play significant roles in determining how well the mound can serve its purpose.

Soil type is crucial because it affects the absorption rate of wastewater. Different soil types have varying textures and compositions, which influence how well they can filter contaminants and support the distribution of effluent. For instance, sandy soils drain quickly, while clay soils retain water, potentially leading to saturation and system failure.

Water table depth is another critical factor, as it determines how close the groundwater is to the surface. If the water table is too high, it can interfere with the proper drainage and treatment of effluent, leading to system malfunctions and environmental contamination.

Ground slope also matters significantly because steep slopes can encourage runoff rather than allowing water to percolate through the soil effectively. This can lead to inadequate treatment of wastewater and pose a risk of failure.

In contrast, surface vegetation, while it may have some influence on the overall site conditions, is generally not a primary concern when determining suitability for mound installation. Vegetation can be managed or modified,