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Featured Stories___

Adapting to
Climate Change,
Building Resilience

Our Mission

The mission of the Metropolitan Water District of Southern California is to provide its service area with adequate and reliable supplies of high-quality water to meet present and future needs in an environmentally and economically responsible way.

Learn more about our Climate Adaptation Master Plan for Water

26

MEMBER AGENCIES

19 million

PEOPLE IN SERVICE AREA

1.5 billion

GALLONS WATER DELIVERED DAILY

5

TREATMENT PLANTS

830

MILES OF PIPELINES

$1.6 billion

INVESTED IN LOCAL RESOURCES

Envision Silver Award

Protecting the Water Supply
in Earthquake Country

Metropolitan recently earned national recognition for its groundbreaking project that replaced a nearly century-old portion of its Colorado River Aqueduct with one of the largest earthquake-resistant pipelines in the world.

Bloom Box

Our Bloom Box
An Immersive Garden Experience

Our conservation message encourages people to remove their grass, but the most common response is “What do I replace it with?” The options are not what most folks in Southern California expect - a stark landscape of rocks and a few scattered succulents.

Behind the Lens - Andy Au

Behind the Lens - No. 2
A Photographer’s Viewpoint

Metropolitan as art. These photographs underline the beauty of Metropolitan at work, as seen through the lens of our graphic design team. They resonate for different reasons, and while some debut in reports and presentations, others are archived but equally compelling. Enjoy this curated collection by principal graphic artist Andy Au.

Annual Water Quality Report

Our 2025 Annual
Water Quality Report

Metropolitan’s Water Quality Section has the very important mission of safeguarding the public’s drinking water. Metropolitan’s annual report provides a review of year-long monitoring, analysis and more than 250,000 test results to ensure our water meets or surpasses all requirements.

Current Events___

Happening
Now.

August 2025

Board Meetings
& Agendas.

Learn more

Pure Water Southern California

Draft Environmental Impact Report.

Learn More

Offering a Solution

Delta Conveyance Project Legislation.

Learn More

In The
News.

Metropolitan earns national award for new earthquake-resistant pipeline

Metropolitan issues statement on inclusion of Healthy Rivers and Landscapes in Water Quality plan

Metropolitan advances project to help communities vulnerable in state droughts

Southern California Water Agencies End Lengthy Legal Dispute

Take a Tour___

From Source
To Tap.

Follow the extraordinary journey your water must take before you use it, from sources high in the Rockies and the Sierra Nevada, through critical purification processes, to homes and businesses across Southern California.

Tomorrow's Metropolitan___

Delivering
Reliability.

Southern California’s water supplies are facing major long-term threats, brought on by climate change, emerging contaminants and evolving ecological needs. Metropolitan is committed to helping the region overcome these challenges with careful planning, vision and leadership to ensure our communities have the water they need for generations to come.

Pure Water
Southern California

/planning-for-tomorrow/building-local-supplies/regional-recycled-water-program/

Camp 4W:

Planning for

Climate Change

Addressing Climate Change

State Audit:

Workplace Concerns

Employee Concerns

A sunrise with partial cloud cover on Diamond Valley Lake

The Integrated
Water
Resources
Plan

The Integrated Water Resources Plan

Aerial view of the Colorado River Aqueduct on a sunny day in the desert

Colorado River:
A New Era
of Sustainability

Expanding Local Resources

Aerial view of the delta conveyance section passing through agriculture fields

Proposed
Delta Conveyance Project

Securing the Delta

Workforce Investment___

Leading
the Way.

Supplying 40 percent of California’s water resources requires a workforce that is as agile and efficient as the water delivery systems we develop and operate. Succession planning, diversity, and asset retention are vital areas of focus that are key to the success of our organization.

An animation about the Metropolitan's workforce. Their workforce includes 1782 employees, of which 28% were women and 58% were people of color as of 2023. The workforce is composed of 35% professionals, 25% skilled craft workers, 18% office and administration, and 12% technicians. The average years of service at Metropolitan is 10 years, with 36% of staff having over 14 years of service.

Strategic Priorities___

Pathway to
the Future.

Learn More About our Vision and Values

With a focus on areas of change and opportunity, Metropolitan - in an inclusive process - identified five strategic priorities that form an action-based framework for our approach to transformation. They support long-term stability and are attuned to the challenges of climate change, responsibilities to the public and our workforce, the importance of a sound business plan and continued collaboration with the communities we serve.

EMPOWER

EMPOWER the workforce and promote diversity, equity, and inclusion

SUSTAIN

SUSTAIN Metropolitan’s mission with a strengthened business model

ADAPT

ADAPT to changing climate and water resources

PROTECT

PROTECT public health, the regional economy, and Metropolitan’s assets

PARTNER

PARTNER with interested parties and the communities we serve

Learning to Conserve___

Saving
Everyday.

Supporting Sustainability Through Conservation.

Southern Californians get it. They know our water resources are not limitless. They’ve learned to conserve. And they know they can do more. That is where Metropolitan comes in. We offer water-saving tips, classes, and rebates for water-saving devices and sustainable landscaping. We are your partner as you learn how to make conservation a way of life.