Green Algae in the Trinity River

Green Algae in the Trinity River

Is it Good?  Is it Bad?

You may have noticed green algae in the Trinity River this past summer and wondered what it was, where it came from, and why it’s more than usual?  A simple one-page informative flyer about the algae has been created to help answer your questions.  In addition to posting here on, you’ll find the flyer at various river kiosks and river community hubs around the county.

For more information about how algae plays a key role in river health in a report done by UC Berkeley, click here.

To access an Algae Identification Field Guide, click here.

Green Algae flyer (1)

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