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EAST PORTERVILLE, CA - FEBRUARY 11:   Low water is seen at the dam of Lake Success as rain totals remain insufficient to break the worsening drought on February 11, 2015 near East Porterville, California. Many local residents, whose water wells have run dry, fill their tanks with free non-potable water for flushing toilets, bathing and laundering and use bottled water for drinking and washing dishes. Many of the dry wells of 926 homes in Tulare County dried up last summer when some 17 California communities ran out of water.  (Photo by David McNew/Getty Images)
EAST PORTERVILLE, CA - FEBRUARY 11:   Low water is seen at the dam of Lake Success as rain totals remain insufficient to break the worsening drought on February 11, 2015 near East Porterville, California. Many local residents, whose water wells have run dry, fill their tanks with free non-potable water for flushing toilets, bathing and laundering and use bottled water for drinking and washing dishes. Many of the dry wells of 926 homes in Tulare County dried up last summer when some 17 California communities ran out of water.  (Photo by David McNew/Getty Images)

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    Expert: California drought will force 'major changes'

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Expert: California drought will force 'major changes'

What can be done to help California recover from the massive drought that has hit it? CNN's Poppy Harlow reports.

Expert: California drought will force 'major changes'

What can be done to help California recover from the massive drought that has hit it? CNN's Poppy Harlow reports.