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Santa Clarita Valley Sanitation District Chloride Compliance

MEETING STATE-MANDATED CHLORIDE (SALT) LIMITS IN THE SANTA CLARITA VALLEY

Background

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.  The approved project will utilize new reverse osmosis equipment at the 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.

New Brine Management Proposal

One element of the chloride compliance project is brine management.  In March 2015, based on public input and requests, the SCVSD Board of Directors directed staff to investigate brine management alternatives including newer technologies such as brine concentration that reduce the volume of brine requiring disposal.  The SCVSD now proposes to add enhanced brine concentration equipment at the Valencia WRP and limited trucking of concentrated brine (an average of six truckloads per day, ten maximum, during off-peak hours) to an existing industrial facility.  Deep well injection is no longer being considered for brine disposal.  The other elements of the previously approved chloride compliance project are moving forward.

Public Review Period for Draft Supplemental EIR

Before approval of a new brine management proposal, the potential environmental impacts of the proposal must be evaluated.  Such evaluation is provided in a focused Supplemental Environmental Impact Report (EIR) that was released for public review on November 17, 2015.  During the public comment period, which closed on January 8, 2016, public meetings were held on December 10 and December 16, 2015.  A copy of the presentation provided during these meetings can be found at the link below.

Next Steps 

The SCVSD is working to address comments received during the public review period and to prepare a Final Supplemental EIR.  The Final Supplemental EIR is expected to be released by Spring of 2016 and will contain responses to all comments received during the public review period.  The SCVSD Board of Directors will then consider whether to approve the new brine management proposal and certify that the Final Supplemental EIR meets legal requirements.  Such consideration will occur at a regularly noticed public meeting.  Prior to the Board making any decisions, the public will have an opportunity to provide testimony at the meeting.  This page will be updated once the meeting date has been established, and all people on our mailing list will receive a notification.


For More Information

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

●  A project summary can be found here.

●  The Draft SEIR can be found here.

●  The presentation provided during scoping meetings in September 2015 can be found here

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

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