If water does not drain in 2 hours during a perk test, what does it indicate?

When water does not drain within 2 hours during a percolation test, it indicates that the soil does not allow for proper drainage, suggesting the area is not suitable for certain types of planting, particularly those that require well-drained conditions. This situation occurs because the soil may have high clay content or be compacted, both of which impede water movement.

When determining suitable planting areas, proper drainage is crucial for preventing waterlogging, which can harm plants by limiting the oxygen available to their roots. Therefore, a slow drain rate suggests that the site may retain too much moisture, making it an inadequate choice for planting crops or gardens that are sensitive to excess water. This understanding aligns with the needs of plants and the characteristics of the soil, making the conclusion that it's not a good spot for planting entirely justified.