Pure Water Project (PWP) Las Virgenes-Triunfo
6 Documents in Project
Summary
SCH Number
2021090157
Lead Agency
Las Virgenes - Triunfo Joint Powers Authority
Document Title
Pure Water Project (PWP) Las Virgenes-Triunfo
Document Type
NOD - Notice of Determination
Received
Posted
6/19/2026
Document Description
The State Water Resources Control Board (State Water Board) is funding the Project referred to internally as Pure Water Project (PWP) Las Virgenes-Triunfo. The Project consists of the following components:
1. Construction of new advanced water purification facility (AWPF) located along the Agoura Road in Agoura Hills;
2. Construction of a new, up to 24-inch-diameter, 1.7-mile-long source water pipeline from the recycled water distribution system supplied by Tapia Water Reclamation Facility (WRF) to the new AWPF at Agoura Road;
3. Construction of a new, up to 20-inch-diameter, 2.2-mile-long purified water pipeline from the AWPF to Las Virgenes Reservoir, including a new outfall discharge structure;
4. Construction of a new, 12-inch-diameter, 14.1-mile-long concentrate pipeline from the AWPF at Agoura Road to Calleguas Salinity Management Pipelineat Hill Canyon; and
5. Additional minor upgrades at Tapia WRF, including eliminating Malibu Creek discharges, except under an operational emergency or qualifying storm events.
PROJECT NUMBER: 8768-110
Contact Information
Name
Cedric Irving
Agency Name
State Water Resources Control Board
Job Title
Environmental Scientist
Contact Types
Responsible Agency
Phone
Name
David Pederson
Agency Name
Las Virgenes-Triunfo Joint Powers Authority
Job Title
General Manager
Contact Types
Lead/Public Agency
Phone
Email
Location
Cities
Agoura Hills, Thousand Oaks, Westlake Village
Counties
Los Angeles, Ventura
Regions
Citywide, Unincorporated
Other Information
The Pure Water Project is located in southeastern Ventura County and northwestern Los Angeles County, including the cities of Agoura Hills, Westlake Village, Thousand Oaks, and unincorporated Ventura County.
Notice of Determination
Approving Agency
State Water Resources Control Board
Approving Agency Role
Responsible Agency
Approved On
County Clerks
Los Angeles, Ventura
Final Environmental Document Available at
1001 I Street, 16th Floor, Sacramento, CA 95814
Determinations
(1) The project will have a significant impact on the environment
Yes
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
Yes
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
No
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
Yes
(4) A mitigation reporting or monitoring plan was adopted for this project
Yes
(5) A Statement of Overriding Considerations was adopted for this project
Yes
(6) Findings were made pursuant to the provisions of CEQA
Yes
Attachments
Notice of Determination
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