Data from winter 2022-2023 show the greatest net gain of water in nearly 22 years, but groundwater levels still suffer from years of drought.
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Shasta Lake refilled in spring 2023 after a season of heavy rain and snowmelt.
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The second largest reservoir in the United States now stands at its lowest level since it was filled in the mid-1960s.
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Water levels at Glen Canyon Dam have fallen to their lowest level since 1969 and are still dropping.
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The western United States is currently experiencing moderate to severe drought, and it is expected to worsen in upcoming months.
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The U.S. Drought Monitor reports its lowest levels in 17 years.
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More than 64 million people are directly affected by drought in the Southwest and Southern Plains, and far more are indirectly affected because of the vast number of farms, orchards, and ranches that supply the rest of the United States.
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Drought conditions in 2018 are extreme over the Four Corners region of the United States.
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By late February 2018, an estimated 55 percent of the continental U.S. was classified as abnormally dry.
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Severe to extreme drought persists in the Southwest and the Plains in May 2014.
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Most of Texas is brown in this vegetation index image, revealing the negative impact drought had on plants in August 2009.
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