What is a common method of controlling sediment during construction projects?

Installing silt fences is a highly effective method for controlling sediment during construction projects due to their design and functionality. Silt fences are temporary barriers made of geotextile fabric that are installed around the perimeter of a disturbed area. Their primary role is to intercept and slow down the movement of sediment-laden water flowing off the construction site, allowing sediment to settle out and preventing it from entering nearby water bodies or storm drains.

As sediment-laden runoff encounters the silt fence, the water slows down, and sediment is deposited on the upslope side of the fence. This method not only helps in minimizing soil erosion but also protects water quality in adjacent ecosystems by filtering out contaminants and preventing sedimentation.

While other methods can be used to manage soil and water during construction, they may not directly focus on sediment control in the same way that silt fences do. For instance, chemical treatments can stabilize soil, but they do not effectively trap sediment. Removing vegetation entirely can exacerbate erosion issues rather than control them. Additionally, enhancing drainage systems may help manage water flow but does not specifically address sediment control. Implementing silt fences is a targeted strategy that aligns with best management practices for erosion and sediment control during construction activities.