Operation of the Ion Exchange Treatment Facility for the Removal of PFAS at Wells T7, U4 and U6
4 Documents in Project
Summary
SCH Number
2021060545
Public Agency
Santa Clarita Valley Water Agency
Document Title
Operation of the Ion Exchange Treatment Facility for the Removal of PFAS at Wells T7, U4 and U6
Document Type
NOE - Notice of Exemption
Received
Posted
4/10/2026
Document Description
The Applicant proposes operating the ion exchange treatment facility for PFAS removal at Wells T7, U4 and U6. The new PFAS treatment system will consist of two trains of ion exchange vessels (4 vessels total, operated in lead-lag configuration) to be approximately 16 feet in height and 12 feet in diameter, two prefilter assemblies, on-site drainage, and on and off-site water piping and electrical upgrades. The PFAS treatment system will include well head improvements at T7 and U6 wells, which will include pump, motor and electrical upgrades at each well site. The effluent from the IX vessels will receive chloramination treatment at the Six Wells Disinfection Facility (onsite). The treatment facility is equipped with the associated electrical equipment, Supervisory Control and Data Acquisition system, and water quality measuring equipment.
Contact Information
Name
Bill Liang
Agency Name
State Water Resources Control Board
Job Title
District Engineer
Contact Types
Lead/Public Agency
Phone
Location
Cities
Santa Clarita
Counties
Los Angeles
Regions
Citywide
Cross Streets
26477 Bouquet Canyon Rd.
Zip
91350
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class 1: California Code of Regulations, title 14, division 6, chapter 3, article 19, section 15301
Reasons for Exemption
The Project is exempt because the project
consists of the operation of upgrades of an existing public facility, replacement of well
head components and hypochlorination to inactivate bacterial contamination, involving
negligible or no expansion of capacity or use. None of the exceptions listed in section
15300.2 of the CEQA Guidelines would apply to the proposed Project.
Exempt Status
Categorical Exemption
Type, Section or Code
Class 2: California Code of Regulations, title 14, division 6, chapter 3, article 19, section 15302
Reasons for Exemption
The Project is exempt because the project consists of the operation of upgrades of an existing public facility, replacement of well head components and hypochlorination to inactivate bacterial contamination, involving negligible or no expansion of capacity or use. None of the exceptions listed in section 15300.2 of the CEQA Guidelines would apply to the proposed Project.
County Clerk
Los Angeles
Attachments
Notice of Exemption
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