Valencia Water Reclamation Plant Scour Emergency Repair/Riprap Installation

The middle section of the retaining wall that separates the Valencia Water Reclamation Plant VWRP from the Santa Clara River SCR consists of a mechanically stabilized earth MSE wall and large rock riprap. The large rock riprap was installed under the California Regional Water Quality Control Board, Los Angeles Region, File No. 05-140, to repair the damaged retaining wall resulting from the January 2005 flood. Since the riprap installation, scour and erosion have advanced the riverbank northward,...