ENVIRONMENTAL CONNECTION / THIRD QUARTER 2025 / IECA.ORG 17 Figure 3. A skimmer resting in a standing pool near the outlet of the basin. EROSION CONTROL PEER REVIEW Part Four: Auxiliary Spillway Auxiliary spillways are put in place to allow excess water to safely bypass the basin when full, and they should be installed in every sediment basin. As with skimmers, these should be installed as far as possible from the inlet to maximize flow length. The spillway should be designed for a 10-year 24-hour storm peak flow rate. Also, as with other parts of the basin, it should be stabilized with nonerosive liner, vegetative cover, or stone to minimize erosion. About the Expert • Matthew Love is the inside sales manager at Faircloth Skimmer. He has certifications for stormwater control measure inspection and maintenance and level I erosion and sediment control in North Carolina.
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