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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

Pollution Prevention Services

  • Monitoring and Investigations

  • Laboratory Services

  • Field Investigation

  • Pollution Prevention Services

Commercial Business

EcoBiz Certification - Food Service Establishments - Stormwater Facility Maintenance


Pretreatment Program - Stormwater Permitting - Discharge Requests - Water Billing

Regulatory Information

MS4 Permit - UIC Program - City Code - Building Permits - Brownfields - Monitoring

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. 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.