Combined Sewer System (CSS) Evaluation Study, City of Wilmington, DE

Wilmington, DE

$570K combined sewer system evaluation study, which created a dynamic hydraulic model using XP-SWMM2000 software for the City's CSS. The hydraulic model was developed from a citywide collection system ESRI ArcInfo GIS dataset and calibrated using flow monitoring and rain gauge data. The calibrated model was used to make cost-effective recommendations for various collection system improvements in accordance with the City's Long Term Control Plan.