Protecting Oregon's Environment
Oregon State Seal
 Oregon Department of Environmental Quality

Laboratory and Environmental Assessment

Water Quality Monitoring

 
Air Quality Index 
Air Quality Monitoring
Analytical Methods
LASAR Database
Oregon Environmental Laboratory Accreditation Program
Guidance and Quality Assurance
Technical Reports
Volunteer Monitoring
Water Quality Index
Water Quality Monitoring

Oregon Water Quality Index

The Oregon Water Quality Index can be used to make powerful assessments of our rivers and streams. Choose from the following items to find out more about this innovative standard.

How healthy is your river?...

The OWQI is used to indicate general trends in river quality. 

The following reports presents the latest summary of this information

Choose from the links below for more detailed reports on specific basins.

Oregon Water Quality Index reports are available for the following basins:

DeschutesMalheurRogue
Grande RondeMid CoastSandy/Columbia
HoodMiddle WillametteSouth Coast
John DayNorth CoastUmatilla
KlamathOwyheeUmpqua
Lower WillamettePowderUpper Willamette

 

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For more information about DEQ's Laboratory and Environmental Assessment Division please email LEAD.

 

Oregon Department of Environmental Quality
Headquarters: 811 Sixth Ave., Portland, OR 97204-1390
Phone: 503-229-5696 or toll free in Oregon 1-800-452-4011
Oregon Telecommunications Relay Service: 1-800-735-2900  FAX: 503-229-6124

The Oregon Department of Environmental Quality is a regulatory agency authorized to protect Oregon's environment by
the State of Oregon and the Environmental Protection Agency.

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