Reminder: How Portland Sewer Charges are Calculated

If you’re budget conscious, minimize your water use through April:

Your residential sewer bill is based on your “Winter Average” water use.

• So, what is your “Winter Average?”

• Your “winter average” is calculated by measuring your water use between February 1 and April 30.

My 2025 blog post on how your water bureau calculates your sewer bill has details and links:

https://www.mttaborpdx.org/single-post/how-portland-calculates-your-sewer-bill

This blog post was published on 2/27/26, by Laura O.