LVMWD Proposed Modifications at the Westlake Filtration Plant and Pump Station

2 Documents in Project


SCH Number
Lead Agency
Las Virgenes Municipal Water District
Document Title
LVMWD Proposed Modifications at the Westlake Filtration Plant and Pump Station
Document Type
NEG - Negative Declaration
Present Land Use
Potable Water Treatment System and other upgrades
Document Description
The proposed modifications include: (1) replacement of the existing gaseous chlorine disinfection system with sodium hypochlorite to enhance safety; (2) conversion of part of an existing office/laboratory space for use as a multi-purpose room and to comply with current ADA requirements; and (3) modification to the diatomaceous earth storage area. The District proposes to dismantle chlorine storage and dosing areas at the Pump Station located at the base of the reservoir dam, but no structural modifications are proposed at that location.

Contact Information

Lindsay Cao
Agency Name
Las Virgenes Municipal Water District
Contact Types
Lead/Public Agency


Westlake Village
Los Angeles
Cross Streets
Torchwood Place at Three Springs Drive
Total Acres
~ 1
State Highways
101 (2 mi. N)
Las Virgenes Reservoir

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Department of Fish and Wildlife, South Coast Region 5 (CDFW), California Department of Health Care Services (DHCS), California Department of Parks and Recreation, California Department of Transportation, District 7 (DOT), California Highway Patrol, California Native American Heritage Commission (NAHC), California Regional Water Quality Control Board, Los Angeles Region 4 (RWQCB), Department of Water Resources, Resources Agency, State Water Resources Control Board, Divison of Financial Assistance
Development Types
Water Facilities (Disinfection System)(Type Potable Water Di)
Local Actions
Treatment Plant

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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