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2005 Urban Water Management Plans

California American Water

WSC updated the 2005 Urban Water Management Plans (UWMPs) for California American Water’s (CAW’s) Monterey County, Ventura County, Los Angeles County, and San Diego County districts. UWMPs are integral water resources planning documents for urban water suppliers serving water to more than 3,000 acre feet per year or more than 3,000 connections. UWMPs are required to be developed every five years ending in “0” and “5”by California’s Urban Water Management Planning Act (UWMP Act). The California Department of Water Resources (DWR) is responsible for reviewing UWMPs for completeness.

CAW’s 2005 UWMPs were originally developed by another consultant and were deemed incomplete by DWR. WSC updated the 2005 UWMPs and received a confirmation of completeness from DWR.

WSC also updated the Northern Division–Sacramento District’s 2005 UWMP.

WSC examined local water supplies to evaluate water needs for the next 20 years.  WSC evaluated the water supply reliability by reviewing historical water supply and demand during dry year and multiple dry year periods.   In the event of a water shortage, the 2010 UWMP provided water shortage contingency planning measures, including the course of action in the event of a catastrophic loss in water supply.  WSC identified water supply surpluses and deficits by comparing future water supply against demand projections.   Finally, WSC described the demand management measures being implemented by CAW to reduce water demand.

The 20005 UWMPs are available through the following link: http://www.water.ca.gov/urbanwatermanagement/2005uwmps/.

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