What is one of the consequences of improper site drainage in earthwork?

Improper site drainage can lead to an increased risk of flooding. When drainage systems are inadequate or poorly designed, water cannot efficiently flow away from the site, leading to water accumulation. This pooling of water can saturate the soil, elevating water levels and increasing the potential for flooding. In construction and earthwork management, this can clearly pose significant risks by damaging structures, eroding soil, and compromising the integrity of the work being undertaken.

In contrast, improved soil structure, enhanced soil fertility, and reduced excavation time are benefits associated with proper site management and drainage practices, but they do not relate to the consequences of poor drainage. Hence, the selection of increased risk of flooding accurately reflects a direct consequence of improper site drainage in earthwork.