The San Diego County Water Authority’s board has directed its staff to explore opportunities to help other water districts weather an emerging drought across California.

The authority said that because of three decades of investment in supply reliability, along with a continued emphasis on water-use efficiency, the San Diego region has sufficient water supplies for multiple dry years.

Those investments include high-priority Colorado River water from the Imperial Valley, seawater desalination, and access to the Semitropic Original Water Bank in Kern County, where the authority has stored about 16,000 acre-feet of water — enough to supply more than 30,000 homes for a full year.

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