A drainage system for separating oil and debris from water run-off wherein a chamber in the path of flow of the run-off includes a downwardly inclined screen and a debris-collecting fence beneath the screen to maintain separation between the debris and water; and an organic absorber may be positioned in the path of flow of the water beneath the screen to remove organic oils from the run-off.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part of patent application Ser. No. 10/681,672, filed 7 Oct. 2003 for METHOD AND APPARATUS FOR SEPARATING OIL AND DEBRIS FROM WATER RUN-OFF by Robert K. Weir et al and incorporated by reference herein.
