Skip to Main Content View Text-Only

The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Ave, Suite 613, Portland, OR 97204

More Contact Info


flow testingMonitoring Performance

Environmental Services promotes low-impact, sustainable stormwater management that uses natural systems and functions to manage stormwater runoff as close to the source as possible. Gathering performance data on sustainable stormwater facilities and long-term facility monitoring help measure benefits, improve design and function, and lower maintenance costs.