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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Suite 1000, Portland, OR 97204

Investigations and Monitoring


The Investigations and Monitoring Section (IMS) develops and manages environmental monitoring projects for the bureau and other outside agencies.  Services include: 

  • Project oversight and coordination

  • Liaison between customer and field and laboratory staff

  • Water quality and flow monitoring data management

  • Detailed reporting of monitoring results

  • Statistical consulting services

  • Project budgeting assistance and monthly billing

Project Coordinators

Duane Linnertz (503) 823-7758

duane.linnertz@portlandoregon.gov

Peter Abrams (503) 823-5533

peter.abrams@portlandoregon.gov

Aaron Wieting (503) 823-5437

aaron.wieting@portlandoregon.gov

Below is a link to data available from PortlandOnline:

Willamette River E. coli Results from Recreation Points

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