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One Water LA 2040 Plan

Los Angeles Sanitation and Environment & Los Angeles Department of Water and Power
Los Angeles, California

Project Overview

Integrated plan will make Los Angeles a more water resilient and sustainable city.

The City of Los Angeles embarked on the One Water LA 2040 Plan to realize a strategic vision and manage all types of water resources–surface water, groundwater, potable water, graywater, wastewater, recycled water, and stormwater–as One Water.

As prime consultant, Carollo led a team of 20+ subconsultants to help multiple, large LA departments make multi-million dollar water infrastructure decisions to create a more water resilient and sustainable city.

This effort included:

  • Coordinating water management activities between departments, partners, and stakeholders.
  • Improving the health of local watersheds by restoring ecosystems, reducing pollutants, and recharging aquifers.
  • Planning for climate change through adaptation strategies.
  • Optimizing more than $13 billion in wastewater, recycled water, and stormwater capital improvements.

Through this first-of-its-kind One Water program, LA is building resilience into every aspect of its water management strategy. This required unprecedented collaboration and has become an industry benchmark for developing a One Water framework to manage the urban water cycle.

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