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There are even recharge sites along the mostly channelized Los Angeles River and in other urban areas around the state.

About 5,000 gallons went into the concrete vault that houses the pressure gauges, until it began to overflow and run down a slight slope into a channelized portion of a salmon stream below.

Yet California squandered much of the bounty from its recent unusually wet winter, as levees, channelized rivers and paved cities funneled much of the runoff into the ocean rather than capturing it.

Settlers drained and channelized the vast California delta and beyond.

In the late 1950s, the Army Corps of Engineers “channelized” the San Lorenzo River to make it run deeper and faster, and built levees upstream to manage flows.