Portland residential sewer rates increased 3.25% on July 1, 2016. The average single family sewer and stormwater bill increased from $67.60 to $69.80:

• Sewer Services - $41.63 of the average monthly bill pays for sewage treatment, maintenance, and debt service for the sewer system.
• Stormwater Services - $27.44 of the average monthly bill pays for operation, maintenance and debt service of stormwater management facilities.
• Portland Harbor - $0.73 helps fund the city's participation in the Portland Harbor Superfund program in the Willamette River.

Low Income Assistance Program

About $0.57 per month of an average bill goes to support low-income assistance.

• Qualifying low income customers will be able to receive a discount of $30.87 per month.
• $30.87 credit would reduce the average monthly bill from $69.80 to $38.93.
• Qualifying households must earn 60% or less of state median income.
• About 7,000 currently receive low income assistance.