Metropolitan's planning and reporting documents focus on regional water supply reliability. Water Tomorrow, the Integrated Water Resources Plan, represents Metropolitan's long-term plan to assure adequate water supplies for Southern California. Metropolitan's Urban Water Management Plan describes and evaluates sources of supply, efficient uses, water recycling and conservation activities.
Metropolitan's Water Surplus and Drought Management Plan was developed in 1999 to outline policies that guide water surplus and shortage management and establish a basis for dealing with shortages in an equitable and efficient manner.
The Long Term Conservation Plan guides Metropolitan's investments and communication strategy for reducing regional water demands. Metropolitan's analysis of water supply reliability for the Emergency Regulation for Statewide Conservation is provided below.