Assessment of Underground Stormwater Management Devices Under High Flow Conditions Status: CompleteReport Date: 03/12/2010 Summary: Researchers developed tests for measuring the amount of sediment washed out of hydrodynamic separators during high flow storm events. These tests have aided in creating computer models that will be used to predict efficiencies for any manufacturers separator under varying conditions and environments. Final Deliverables: Report #2010-10 Technical Summary Related Materials: Related Research: