SACRAMENTO (CBS13) — After heavy rains, the debris piles up along the Sacramento River.

Evidence of the recent rain is everywhere — the river turns brown and there are logs, sticks, and trash piled up along the banks.

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Geologists are worried because flooding in the Sacramento area is leading to toxic debris from the homeless camps getting carried downstream.

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Visitors to Old Sacramento noticed the trash in the trees and so much more in the water. Some visitors from Seattle are used to a lot of rain but said the amount that fell in Sacramento caught them by surprise.

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“Unfortunately, you can’t do anything about Mother Nature, and, this is what happens. When we flew over yesterday I was at the window seat and I was looking out and I was like oh my gosh,” said a tourist.

So much of the garbage gets into the river from area creeks that volunteers are heading out to help clean it up.

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One of the hardest hit areas is steelhead creek.

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In December alone, volunteer crews removed 100,000 pounds of debris from homeless camps.