Oregon Water Science Center

Watershed/Basin Studies

Filter Total Items: 40
Date published: May 1, 2011
Status: Active

McKenzie River Source Water Study

Drinking water for the city of Eugene, Oregon, is drawn from the McKenzie River, a high-quality source that is nonetheless threatened by urban, agricultural, and forestry land uses upstream as well as by changes in water management in the watershed. In 2002, the USGS began monitoring dissolved pesticides in the McKenzie River and its tributaries.

Date published: April 24, 2009
Status: Active

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."

Date published: October 5, 2007

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.

Contacts: Daniel R Wise
Date published: October 10, 2000
Status: Completed

Willamette Basin Groundwater Study

The U.S. Geological Survey (USGS) studies the water resources of the Willamette River Basin. Here you will find a description of the study, as well as information and data resulting from this work.

Contacts: Terrence Conlon