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One Water LA 2040 Plan

In this section you will find descriptions and links to the ten Volumes in the Draft One Water LA 2040 Plan.

Executive Summary

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Executive Summary provides an overview of the Final Draft One Water LA 2040 Plan
Click here to download Executive Summary

Volume 1 - Summary Report

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Volume 1 includes an Executive Summary and a Summary Report of One Water LA 2040 Plan.
More about Volume 1

Volume 2 - Wastewater Facilities Plan

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This Volume takes a comprehensive look at each of the City’s water reclamation plants and recommends upgrades to address future needs.
More about Volume 2

Volume 3 - Stormwater and Urban Runoff Facilities Plan

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Volume 3 describes the City’s existing stormwater collection system and identifies the stormwater infrastructure needs for the future.
More about Volume 3

Volume 4 - LA River Flow Study

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Volume 4 identifies considerations, assumptions, and areas of future study necessary to determine optimal flow conditions in the LA River.
More about Volume 4

Volume 5 - Integration Opportunities Analysis Details

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Volume 5 contains technical memorandum that were developed to identify and evaluate near and long-term integration opportunities amongst City Departments and Regional Entities.
More about Volume 5

Volume 6 - Climate Risk & Resilience Assessment for WW and SW Infrastructure

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Volume 6 includes a climate risk assessment and recommended climate adaptation strategies for the City's wastewater and stormwater assets.
More about Volume 6

Volume 7 - Implementation Strategy Supporting Documents

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Volume 7 includes Technical Memoranda on department and agency roles and responsibilities; current and future regulations; recommended policies and programs; and funding opportunities.
More about Volume 7

Volume 8 - Technical Support Materials

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Volume 8 includes Technical Memoranda used to assess Future Flow Conditions, conduct the analysis, and develop recommended policies for On-Site Treatment Systems.
More about Volume 8

Volume 9 - Stakeholder Engagement Materials

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You’ll find documentation of all of One Water LA’s public engagement efforts in this Volume.
More about Volume 9

Volume 10 - Programmatic Environmental Impact Report

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Volume 10 is the Programmatic Environmental Impact Report, which will begin development soon.