23southern California draws much of its water from the Sacramento-San Joaquin Delta, which was diked and divided into farms more than a century ago.

南加利福尼亚州的用水大部分来自萨克拉门托-圣华金三角洲，一个多世纪以前，这里建起堤坝，将土地分割成农田。

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Its idea was to move the point at which salt and fresh water mix in the Sacramento-San Joaquin Delta to a place that they opined was ideal for the smelt.

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Regulations to protect smelt from the Sacramento-San Joaquin River Delta water pumps have created a California water shortage, which is particularly acute in the Valley.

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