2008 Engineering Honorable Award:

New Methods to Predict SSOs in Wayne County's NHV/RV District
Wayne County , Michigan; Orchard, Hiltz & McCliment, Inc. (OHM)

Wayne County's NHV/RV project used OHM's Antecedent Moisture Model, a new methodology for hydrologic modeling. i3D is a continuous model that matches observed flow data over time, accurately predicting how rain events will affect the sanitary sewer system. Sizing the system appropriately, in this case, saved the taxpayers $35 million.