Silt Fence Inspection
How Often Should you Inspect a Silt Fence?
Question: I am looking to install a silt fence as a BMP on my site. Will these control all sediment flow? How often do I need to inspect these fences?
Answer: Thank you for contacting us! A Silt Fence can be a very effective tool when it is used appropriately. In general, you want to use a silt fence in areas where runoff is shallow and has a low-level flow. Your drainage area on your site should be relatively small and should not exceed 1/4 acre per 100-foot of fence.
Silt Fence Inspection Schedule
To provide you with the best quality of protection, you want to make sure that you inspect this fence at least once a week. You also want to make sure you inspect this fence immediately after a rainfall or storm event. If, when inspecting the fence, you find any gaps or tears in the material, it will need to either be repaired or replaced right away. When sediment build-up around the fence has reached one-third to one-half the height of the fence, it should be removed. If you inspect the fence and notice that sediment is causing the fence to strain a lot, you should start removing the sediment more frequently.
High Water Flows Area
If you are looking for something that can be used in areas with higher water flow, the Staked Silt Barrier may be a better option. Built with the same fabrics used for barriers that float in the water, these robust silt fences can be used in water areas up to 30 inches. They have frequently been used to control sheet flow and large water flows on a site.