Site drainage specifically refers to the control of surface water around a property. This involves managing how water flows over and away from the house and surrounding areas to prevent issues such as erosion, pooling, and water damage. Proper site drainage is crucial for maintaining the integrity of a building's foundation and preventing water from entering basements or crawl spaces.
Effective site drainage systems often include features like grading, gutters, downspouts, drainage ditches, and possibly more sophisticated systems such as French drains. These systems work together to redirect water away from the property, ensuring that the land slopes appropriately and that excess water does not accumulate near the structure.
While other options touch on important aspects of water management, they don't specifically highlight the importance of managing surface water around the property. Interior water flow management and flooding prevention are aspects that can be affected by site drainage but are not synonymous with it. Additionally, while landscape aesthetics are important, they are more about design rather than the functional aspect of controlling water flow outside the building.