Home page

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

Climate Action: A Year of Progress

Climate Action Plan:
A Year of Progress

Metropolitan is taking bold steps to protect our water future by advancing toward our goal of carbon neutrality by 2045 through our Climate Action Plan. Our 2024 Annual Report highlights the progress we made last year to reduce greenhouse gas emissions to build a more resilient, sustainable water system for Southern California in the face of a changing climate.

Second Lower Feeder

Ensuring Water Supply Reliability
for Southern California

Southern California’s water delivery system is aging as Metropolitan rounds the corner towards a century of service. Repairs and replacements throughout the system are targeted toward ensuring ongoing water supply reliability.

Annual Achievement Report

Achievements In
Conservation, Recycling & Groundwater Recharge

Metropolitan’s Annual Achievement Report is the district’s annual report to the state Legislature of its accomplishments in conservation, sustainable local resource development, water-use efficiency, and innovative storage initiatives. Facing unpredictability head-on, we detail strategies to adapt to climate challenges and secure our water future.

Water Quality Laboratory

Commemorating
50 Years
of Excellence

For half a century, Metropolitan has helped safeguard drinking water for Southern California through dedication, skills, and visionary accomplishments.

Watch our 50th anniversary video.

Current Events___

Happening
Now.

May 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 celebrates four inspiring water-saving projects at One Water Awards

Metropolitan issues statement on Gov. Newsom's proposal to eliminate hurdles in DCP planning

Metropolitan Releases Draft Environmental Impact Report for Pure Water Southern California

Metropolitan names Wildflower Trail at Diamond Valley Lake after longtime Santa Monica director

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.