Transcription of Detention Basin fact sheet - Dauphin County
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Detention Basin fact sheet - Dauphin County
Best Management Practices Fact SheetDetention PondsPURPOSE: Detention ponds temporarily store stormwater runoff, thereby reducingthe peak rate of runoff to a stream or storm sewer. They help to prevent localizedflooding and, if designed to do so, provide some water quality benefits and reducestreambank erosion a storm, runoff drains from impervious surfaces directly to storm sewers orwaterways. Large storm events contribute a significant volume of runoff moving at anincreased rate, which raises the potential for erosion and flooding ponds are basins that receive and hold runoff for release at a predeterminedrate, thereby reducing the peak runoff delivered to storm sewers and streams.
A riser is an outflow structure used in conjunction with a detention basin for the purpose of maintaining a given amount of flow released from the detention basin to a
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