A Silt Fence should be placed along low-lying perimeters, downslope areas, and near sensitive natural water bodies. Placing a Silt Fence across slope lines helps intercept sheet flow runoff before it gathers speed and causes severe gullying. It is critical not to place a Silt Fence directly across streams, ditches, or areas with high-velocity concentrated flows. Correct placement ensures that the Silt Fence functions as a filter rather than a flood dam that could collapse.
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