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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

Field Operations

Field Operations

The Field Operations Section provides environmental sampling and monitoring services for a wide range of projects, including:                                                

  • Long-term surface water and groundwater monitoring;

  • Stormwater monitoring for characterization, and performance evaluation of stormwater management facilities;

  • Industrial wastewater monitoring for regulatory compliance and billing;

  • Flow monitoring in sewers and surface waters;

  • Soil, sediment and gas monitoring; and

  • Miscellaneous environmental investigation and contamination characterization projects.

Call 503-823-5600 for more information.

Buffalo Slough Sediment Sampling  Flow Monitoring in Sewer  Water Quality Sampling on the Willamette River  Flow Monitoring at the Zoo  Saltzman Creek Water Quality Sampling  

Heartbleed Security Notice

A serious security vulnerability known as "Heartbleed" was recently discovered in OpenSSL, a popular software library commonly used by many websites on the internet to encrypt communication between a user's computer and a web server.

PortlandOregon.gov is NOT affected by this vulnerability as it does not use the OpenSSL software library. Please rest assured we are dedicated to protecting your security on this website.