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One Water LA 2040 Plan – Integrating Major Stormwater Efforts Creates Opportunities







Azya Jackson 1, Lenise Marrero 1, *Eliza Jane Whitman 1, Chris Wessel 2, Curtis Fang 2, Mark Hanna 2

1 City of Los Angeles, LA Sanitation, California
2 Geosyntec Consultants, Inc., California
*gro.yticalnull@namtihw.azile

ABSTRACT

Building on the success of the 2006 Integrated Resource Plan, the City of Los Angeles (City) embarked on the City-focused yet region-wide One Water LA 2040 Plan. The One Water team took a holistic and collaborative approach considering all water resources from surface water, groundwater, potable water, gray water, wastewater, recycled water, and stormwater as “One Water.” For the first time, the City identified green versus grey stormwater facilities, and began evaluating nature-inspired systems.

Volume 3 of the One Water LA 2040 Plan, the Stormwater and Urban Runoff Facilities Plan (SWFP) describes the City’s existing stormwater facility infrastructure, relevant policies, plans, and programs, and integrated recommendations in the City. Existing and future system improvements are combined in a comprehensive and prioritized Stormwater Improvement Program (SIP) to guide the City with implementation of the large number of stormwater projects to meet compliance deadlines, mitigate flood risks, and achieve water supply benefits.

Keywords: Stormwater, nature inspired systems, integrated water resources, facilities plan, capital improvement program, flood risk management, water quality, infrastructure, water supply, restoration, climate change, green infrastructure, funding, cost benefit, prioritization, CIP

INTRODUCTION

Stormwater and urban runoff infrastructure is the set of infrastructure needed to convey or collect wet weather and dry weather runoff into, within, and throughout the City, collectively working to manage the risks of floods, meet water quality requirements, and provide local water supply. As the City seeks to expand its stormwater infrastructure network that was initiated in 1915, they are leading the way as one of the most proactive cities in the nation with regards to stormwater quality protection and enhancement.

To read or download the complete report, click here.

To view the PDF of WEFTEC-2018 Stormwater presentation, click here.

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