Sediment basins are temporary ponds with appropriate control structures, used on construction sites to capture eroded or disturbed soil that are washed off during or after rainstorms or other runoff events. Sediment basins are designed to protect the water quality of nearby streams, rivers, lakes, and wetlands, and to protect neighboring properties from damage. Some sediment basins are converted to permanent storm water controls following the completion of construction activity. Purpose and Description The primary purpose of sediment basins is to prevent sediment from entering streams, rivers, lakes, or wetlands. They do this by collecting and detaining runoff, allowing suspended solids to settle out prior to the runoff leaving a site.

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