Streamflow
Streamflow
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Environmental Flow Studies for Middle Fork Willamette, McKenzie, and Santiam River Basins
Environmental flows are defined as "streamflow needed to sustain ecosystems while continuing to meet human needs."
Yakima River Water-Quality Studies
From 1986 to 2009, the USGS studied various aspects of watershed health in the Yakima River Basin. The results from these studies have been published and are available online.