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Water Resources Dept: Climate Change Could Reduce Water Supply

A state agency says California faces an uncertain water future. A report shows that part of San Diego's water supply could be reduced because of climate change and other factors. KPBS Reporter Ed Joyc

Water Resources Dept: Climate Change Could Reduce Water Supply

A state agency says California faces an uncertain water future. A report shows that part of San Diego's water supply could be reduced because of climate change and other factors. KPBS Reporter Ed Joyce has more.

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The state Department of Water Resources report says there are two key factors that could reduce water deliveries from the state water project - pumping restrictions on the Sacramento-San Joaquin River Delta and climate change.

Katherine Kelly is with the Department of Water Resources. She says sea level rise due to climate change would use up more of the precious supply.

The higher the sea level the more salinity intrusion comes into the Delta and that would mean that we would need to release more water to meet our water standards in the Delta -- to keep that salinity back.

She says using more water to reduce the salinity means less water would be available for California's growing demand. The analysis says pumping restrictions combined with the potential effects of climate change, could reduce future water project deliveries by up to 20 percent some years.

Ed Joyce, KPBS News.

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