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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

Willamette River/Portland Harbor Superfund Charges

(authorized by City Code Section 17.36.070)

1. Sanitary Volume Component
$0.05 per 100 cubic feet of water consumption
2. Impervious Area Component
$0.15 per 1000 square feet of impervious area per month

Note: These rates apply to all users, residential and non-residential. The impervious area component is calculated for the following classes of residential user based on the following class-average values of impervious area:

Single Family and Duplex Residences
2,400 square feet of impervious area per parcel
3-Plex and 4-Plex Residences
1,000 square feet of impervious area per unit

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.