What gauge must the wire fencing for super silt fence be at a minimum?

The minimum gauge for the wire fencing used in super silt fences is indeed 9. This specification is important because the gauge of the wire determines its strength and durability, contributing to the overall effectiveness of the silt fence in controlling erosion and sediment. A 9-gauge wire strikes an optimal balance between being robust enough to withstand environmental stresses, such as wind and rain, while maintaining flexibility for installation and adjustment as needed. This is particularly crucial in Maryland, where sediment control is critical for protecting water quality in various ecosystems. Using a wire gauge that is too thin may lead to failure of the fence under pressure; conversely, a gauge that is too thick could make installation cumbersome and unnecessarily expensive. Thus, adhering to the 9-gauge standard ensures that the super silt fence functions effectively in controlling sediment runoff.