Seasonal dam inflates on the Russian River as high temperatures take hold of the Bay Area

Yesterday, a 100-foot rubber dam emerged from the bottom of the Russian River.

Raising this dam is a three day process. It’s been happening since the 1970s to ensure that the residents of Sonoma and Marin counties have enough drinking water to last them through the summer.

Most of the year, the 600,000 residents of the area consume up to 40 million gallons of water a day. But, at the height of summer, when temperatures are hotter and the river level wanes, consumption can reach up to 60 million gallons a day…

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