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Summary of stakeholder-developed environmental flow recommendations for the Willamette Basin Sustainable Rivers Program and streamflows from corresponding USGS streamflow gaging stations 2008-2022

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2023-07-18T00:00:00Z
The U.S. Army Corps of Engineers (USACE) and the Nature Conservancy developed the Sustainable Rivers Program (SRP) as a collaborative environmental flows program to identify, refine, and implement environmental strategies at select USACE dams. The SRP was introduced to the Willamette Basin, Oregon, in 2007 through a series of environmental flow workshops, which led to stakeholder generated environmental flow recommendations in the North Santiam, South Santiam, Santiam (Bach and others, 2013), McKenzie, South Fork McKenzie (Risley and others, 2010), and Middle Fork Willamette Rivers (Gregory and others, 2007, https://www.hec.usace.army.mil/sustainablerivers/). This data release is a compilation of the stakeholder-defined environmental flow recommendations paired with flow data at the corresponding U.S. Geological Survey (USGS) streamflow gaging stations for each water-year spanning 2008 through 2022.

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