Properly installed silt fence contains sediment, rocks etc.
Example of silt fence overrun with rocks
SIlt fence overtopped by water
Can you see it? Silt fence buried during construction
Silt fence is required during construction. Properly installed silt fence contains/retains construction debris and protects adjacent land. Prior to land-disturbing activities inspections include proper silt fence installation. Construction sites are to be inspected each month.