ASTM C1745

Full Name

ASTM C1745 – Standard Test Method for Measurement of Hydraulic Characteristics of Hydrodynamic Stormwater Separators and Underground Settling Devices


This test method concerns measurement of selected hydraulic characteristics of hydrodynamic separators and underground settling devices critical to their function as stormwater treatment devices.


accuracy; bypass flow; calibration; flow; head loss; hydraulic capacity; orifice; slope; velocity; velocity head (head)