Metropolitan Water District of Southern California
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Spotlight On Water
Water Highlights

 
SB60 Report

Regional Progress Report
Metropolitan’s annual report to the State Legislature (SB 60) on water resource management programs.  Click here to read report.

 
Annual Water Quality Report 2013

Annual Water Quality Report 2013
Click here for Metropolitan’s Annual Water Quality Report.

 
Diamond Valley Lake

Diamond Valley Lake
Southern California’s largest reservoir is nearly full. That is a turnaround from 2009, when a years-long drought reduced the lake to less than half its capacity. Watch the video showing water levels rising.

Water Plans and Other Reports

 
Integrated Resources Plan Update

Integrated Water Resources Plan Update
Metropolitan’s long-term water plan offers an innovative strategy to protect the region from future supply shortages, with an emphasis on water-use efficiency through conservation and local supply development. Click here for more information.

 
Regional Urban Water Management Plan

Regional Urban Water Management Plan (RUWMP) 2010
The information included in the 2010 RUWMP represents the most current available planning projections of supply capability and demand developed through a collaborative process with the member agencies through the Integrated Water Resources Plan Update. The document was prepared in compliance with the Water Code Sections of the Urban Water Management Planning Act.

 
WSDM

Water Surplus and Drought Management Plan (WSDM)
The WSDM plan is a ten-year plan that will be used to direct Metropolitan's resource operations to help attain the region's 100% reliability goal. Click here for more information.

Blue Ribbon Committee

Blue Ribbon Committee Finalizes Report
The Blue Ribbon Committee provided Metropolitan with its report analyzing water challenges for the next 50 years. MWD’s Board of Directors will review the findings.  Click here for more information.

treatment process
Diemer treatment plant
Jensen treatment plant
Mills treatment plant
Skinner treatment plant
Weymouth plant
Water Glossary
water & your health
Water Supply Conditions

The Metropolitan Water District imports water primarily from two sources, the Colorado River via the Colorado River Aqueduct and the State Water Project via the California Aqueduct.  Click here to view a snapshot of key reservoir storage levels, precipitation and snowpack data that collectively serve as an indicator of Metropolitan’s water supply conditions for these imported supplies.  Local hydrologic information is also provided. 

State Water Project

Colorado River

Groundwater

Metropolitan Fact Sheets
Informational sheets available as downloadable pdfs.

Your Water From Source to Tap
Get the facts on what it takes to bring your water to your home.

Page updated: February 3, 2014