A silt fence is a temporary sediment control device used on construction sites to protect water quality in nearby streams, rivers, and lakes from sediment in stormwater runoff. This structural barrier is typically made of a synthetic geotextile fabric that is stretched between wooden or metal stakes driven into the ground. When muddy water hits the fabric, it pools behind the barrier, allowing the suspended soil particles to settle out of the water column while the filtered water slowly passes through.
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