Sewer Rates

The LFP sewer rate is made up of two parts: the LFP Residential Sewer Rate, which is used for the maintenance and repair of the LFP sewer system, and the King County Sewer Treatment charge, which goes to King County for operation and maintenance of their sewage treatment facilities.

2023 Sewer Rate

Starting January 1, 2023 the King County portion of your bill will increase by $2.84 from $49.27 to $52.11 per month. The City portion will increase by 61 cents from $20.16 to $20.77 per month. 

Starting in 2023 a utility tax of 6% will be assessed each billing on the monthly sewer charges.

Your bi-monthly sewer bill that was $138.86 will be $154.50 ($77.25 per month). The Wastewater Excise Tax bill will change to $44.04.  You will see this change in your January/February bill. 

Bi-Monthly Sewer Rates Rate
LFP Bi-Monthly Residential Sewer $ 41.54
King County Bi-Monthly Sewage Treatment Charge $104.22
Utility Tax (6%) - LFP Sewer $   2.49
Utility Tax (6%) - King County Treatment $   6.25
Total $154.50
LFP Bi-Monthly Residential Sewer $ 40.32
King County Bi-Monthly Sewage Treatment Charge $ 98.54
Total $138.86

The "LFP Residential Sewer Rate" is set by the Lake Forest Park City Council and may change annually. 

The "King County Sewage Treatment Charge" is set by King County Council. If you have questions regarding this charge, visit King County Wastewater Treatment.