• Pure Water Demonstration Facility Data - Water Quality Database 2020 - 2023
• Purification System Performance Report - Year One
• Purification System Performance Report - Year Two
• Water Quality Database

Pure Water Project PEIR Errata No. 2 

Tapia Water Reclamation Facility and Advanced Water Purification Facility Flow Equalization Analysis

Conceptual Design Report

Conveyance Alignment Study

JPA Resolution No. 23

Notice of Availability

View the CEQA Public Meeting

Final Programmatic Environmental Impact Report

• Pure Water Project PEIR - Volume 1 This volume contains the main report.
• Pure Water Project PEIR - Volume 2 This volume contains the appendices.
• Pure Water Project PEIR Errata No. 1

Pure Water Project Notice of Preparation (PDF)

CEQA Public Involvement Fact Sheet (PDF)

Pure Water Project Market Sounding Brief (PDF).

Program Implementation Plan

Purification System Performance Report

Appendix B

2020

A number of technical studies were completed in 2020 to continue to evaluate aspects of the Pure Water Project.

Pure Water Project Program Implementation Plan.

Regional Brine Management Study.

Draft Regional Brine Management Study Synopsis

Demonstration Facility Test Plan

2019

Las Virgenes Reservoir Modeling Results.

2018

Pure Water Project Las Virgenes-Triunfo: Advanced Water Treatment Plan - Draft Preliminary Siting Study 

Pure Water Project Las Virgenes-Triunfo: Modeling of Las Virgenes - Reservoir for Indirect Potable Reuse through Surface Water Augmentation

IAP Model Results Pre-Read 

NWRI Independent Advisory Panel Final Memo

Technical Memo regarding regulatory pathways.

The Las Virgenes – Triunfo Joint Powers Authority (JPA) received a grant from the U.S. Bureau of Reclamation (BOR) to perform the Feasibility Study under its Water Reclamation and Reuse (Title XVI) Program. The Study was found to be in accordance with the U.S. Department of the Interior, Bureau of Reclamation’s Directives and Standards.

2017 

The Los Angeles Regional Water Quality Control Board issued a new five-year operating permit that includes a schedule for the JPA to proceed with the construction of an Advanced Water Treatment Facility that will greatly reduce or eliminate the need to discharge treated wastewater to Malibu Creek. News Release.

Notice of Intent to Adopt a Mitigated Negative Declaration - 30800 Agoura Rd 

JPA Acquisition of 30800 Agoura Rd - Draft Initial Study/Negative Declaration. Additional documents related to the acquisition of the property at 30800 Agoura Rd. are available upon requestion.

Initial Design begins for the Pure Water Project Demonstration Project . Grant Agreement Signed.

Hydrodynamic Modeling completed. Flow Science Las Virgenes Reservoir Purified Water Augmentation Analysis.

2016

JPA Board workshop regarding basis of design.    Potential Treatment Facility Flyover.  Encino Reservoir Flyover.

Informational Materials Developed: Quality Service, Malibu Creek, Beneficial Reuse. 

JPA Votes to explore Indirect Potable Reuse: Staff Report. Board Presentation. News Release.

Basis of Design Report evaluates beneficial reuse of recycled water. Report Appendix.

JPA Board designates the name “Pure Water Project Las Virgenes – Triunfo” to replace “Recycled Water – Excess Supply Options.”

2015

Stakeholder Study Group explores uses and storage for excess recycled water.

Workshop 1. Issues Summary.

Workshop 2.

Workshop 3. Storage scenarios. Scenario Comments.  

Joint Powers Authority staff report on the Recycled Water Seasonal Water Storage Plan of Action. 

Recycled Water Seasonal Storage Facility Plan of Action.

2014

JPA Board approves Guiding Principles for Recycled Water Seasonal Storage Project.