Effects of Basin-Wide On-Site Stormwater Detention

by Elmer L. Claycomb, Claycomb Engineering Assoc Inc, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


The effect of basin-wide on-site detention of storm water runoff from developed areas is investigated to determine its effectiveness in reducing peak discharges in downstream portions of large basins. The study modeled an 18.18 sq. mi. basin with on-site detention on 124 sub-basins. The results indicate that the reduction of peak runoff rates in downstream portions of a large drainage basin can be expected to be significantly less than that for individual sub-basins when detention facilities with similar stage/ storage/discharge characteristics are used throughout the basin.

Subject Headings: Basins | Stormwater management | Rivers and streams | Retention basins | Water storage | Flow simulation | Water discharge | Rain water

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