Water in California - Predicted Need For Increased Water Supplies

Predicted Need For Increased Water Supplies

It is projected that California’s population will be almost 50 million people in the year 2020. If the prediction comes true and there is no action to increase the water supply, the difference between water demand and supply would be between 2 and 6,000,000 acre feet (7.4 km3) in the year 2020. Over the past 5 years California voters have approved $3 billion in bonds for water development and management. Many of these projects are incorporated in the CALFED Bay-Delta program, a federal-state program designed to reduce water supply conflicts. In August 2000 the state and federal governments approved the CALFED plan for water quality, water conservation and recycling, watershed administration, ecosystem re-establishment, delta levees, surface and groundwater storage, water transportation, and science. The plan has a 30-year implementation period and designed to incorporate changes in conditions and knowledge about the effects of specific projects. Stage 1 was initiated in 2000 and was designed as a 7-year program. The cost is estimated to be $8.7 billion. Stage 1 water yield within the next 7 to 10 years is estimated to be 2,900,000 acre feet (3.6 km3) per year. As part of Stage 1, an Environmental Water Account was established through the purchase of 350,000 acre feet (0.43 km3) of water. The EWA is used to protect fish and other wildlife without reducing water allocations to farms and municipalities.

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