How Often Should you Inspect a Silt Fence?

Maintenance Requirements for the Silt Fence

Hello. 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?

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.

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.

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