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Santa Clarita Valley Sanitation District Chloride Compliance



The SCVSD, the public agency responsible for treating the SCV’s wastewater (sewage), has spent more than ten years attempting to achieve the most reasonable chloride limit possible and develop the most cost-effective and environmentally responsible solution to meeting the State-mandated chloride limit for the SCV.  In October 2013, after nearly two years of extensive public input, meetings, hearings, and environmental review, the SCVSD Board of Directors approved a project to comply with the State-mandated chloride limit. 

Recommended Project

The approved chloride compliance project will utilize new reverse osmosis equipment at Santa Clarita’s Valencia Water Reclamation Plant (WRP).  The water that has passed through a reverse osmosis membrane becomes ultra-clean water and the remaining salty water becomes a byproduct called brine that requires proper disposal.  Brine was originally to be managed by deep well injection.  The SCVSD now proposes to modify one component of the approved chloride compliance project – the approach to brine management.  The proposed project modification replaces deep well injection with the addition of enhanced brine concentration equipment at the Valencia WRP and limited trucking of concentrated brine (an average of 6 truckloads per day, 10 maximum, during off-peak hours) to an existing industrial facility, the Los Angeles County Sanitation Districts’ Joint Water Pollution Control Point in Carson.

Supplemental EIR

A new focused environmental review process began in September 2015 to analyze the environmental impacts of the proposed brine concentration equipment at the Valencia WRP and the limited trucking operation.  A Draft Supplemental EIR was released for public review in late 2015 and concludes that the modified compliance project would not result in any significant impacts to the environment. A Final Supplemental EIR has been prepared that provides responses to all comments received during the public review period.  This document is available at the link below.

Next Steps 

The SCVSD Board of Directors certified the Final Supplemental EIR on March 23, 2016. Engineering design efforts are currently underway to ensure implementation of the modified compliance project by the July 2019 deadline.

For More Information

●   For questions or to be added to our mailing list, please email Mr. Bryan Langpap at or call
     (562) 908-4288, extension 2770.

●   The project summary can be found here.

●   The Final Supplemental EIR can be found here.

●   The presentation provided during public meetings in December 2015 can be found here.

●   Information about the recent court ruling regarding the EIR certified in 2013 can be found here.

●   For other information about chloride compliance efforts, see the links under the heading “Navigation” at the left of
     this page.