Understanding Your Rates

Rate Increase

This notice is being provided to inform our customers of a rate adjustment that will take effect January 1, 2026. 

An increase of 7% will be applied to Soos Creek Water and Sewer District water utility rates. An increase of 4% will be applied to Soos Creek Water and Sewer District sewer utility rates. The street light charge will increase 5.3%. These increases will appear on bimonthly bills beginning February 2026. The rate increases are necessary to support the ongoing operation and reliability of the public water and sewer systems while keeping pace with the increasing cost of materials and equipment. Rates help fund increasing costs for preventative maintenance, regulatory requirements and operations. A full comparison of 2025 and 2026 rates can be found here. 

For residential customers, the increase to your water bill base rate is about $2.94 on a bi-monthly basis or $1.47 per month, while the sewer base rate increase is about $2.02 on a bi-monthly basis or $1.01 per month. See Utility Rates for a complete summary of rates and fees.

We strive to keep our rates low while providing clean, safe and reliable water and sewer service. King County Wastewater Treatment Division has also increased their rates for 2026. The King County Council approved a 7.5% sewer rate increase which will raise the King County Wastewater Treatment portion of your sewer bill starting January 1, 2026.

What Your Utility Rates Are Used for

The District is responsible for maintaining and performing necessary upgrades to approximately 223 miles of water lines, and 520 miles of sewer lines and related facilities. Utility rate revenue covers our ongoing expenses in operating, maintaining, and upgrading our water and sewer systems. These systems deliver your clean drinking water, provide essential fire protection services, and convey wastewater from your home or business.

Qualifying for Reduced Rates

The District offers a 30% reduction on water and/or sewer base rates for qualified low-income seniors and disabled persons. Learn how to apply for reduced rates.