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Best Management Practices: Level Spreader [Lv] Constructed across a slope at zero grade, a level spreader allows concentrated runoff to be discharged into undisturbed areas at non-erosive velocities. Level spreaders provide a smooth outlet to convert concentrated flow into sheet flow. Stabilized with rock or an erosion control blanket (Mb), the level spreader should be a minimum of six feet in width. Level spreaders can often be found at the end of diversion swells or storm-water channels. |
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