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Post-Fire Stream Assessment Data, Napa and Sonoma County, California, 2017-2018

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 03:39 AM | Dataset Last Updated: March 14, 2023 at 12:00 AM
In October 2017, the Atlas, Nuns, and Tubbs wildfires in Napa and Sonoma Counties, CA burned approximately 133 thousand acres. Multiple watersheds were affected by the fires, with up to 95% of some watersheds being burned. Post-fire assessments were conducted at 10 sites within Napa and Sonoma Counties to assess the effects of fire on sediment, water quality, and ecology. This data release contains data from the analysis of benthic macroinvertebrate samples, bed sediment samples, water quality samples, and algal samples.

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