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Sept. 18, 2025

Apply for a WaterWorks grant to fund water quality projects in your community

To request translation and interpretation services, email water.grants@kingcounty.gov

UW Green Futures Lab, which received a WaterWorks grant to design and test floating wetlands in the Duwamish River to improve water quality and habitat in urbanized shorelines.

King County’s WaterWorks Grant Program has $4.6 million in funding available for community-driven projects that protect water quality, control pollution, and build healthy communities. Projects must provide an improvement to water quality within the Wastewater Treatment Division service area. Non-profits, Tribes, cities, schools, and special purpose districts are eligible to apply.

This is the grant cycle for the 2025/26/27 competitive track. This application process begins by filling out a short Letter of Intent form through the online grant portal.

The Letter of Intent form is due on September 30, 2025. Selected applicants will be invited to submit full proposals in February 2026.

Office hours

Community garden watered using rain water harvested as part of the WaterWorks grant funded Finn Hill Rainwater Harvesting Project.

Early September, the WaterWorks grant team is hosted free public information sessions for potential applicants. Each session covered an overview of grant criteria, the application process, examples of past projects, and an opportunity to ask questions. A recording of the first online session, excluding the Q&A portion, will be available online. 

Additionally, WaterWorks staff will be available to answer questions during virtual office hours on September 23 and September 30.

Council-allocated track proposals

If you applied through the 2025 Council-allocated track in July 2025, decisions for funding will be made in fall 2025. Your proposal will automatically be considered for funding for the 25/26/27 Competitive track grant cycle if you are not selected for funding or receive partial funding through the council track. You may submit a proposal for a different project through the 2 different tracks.

Learn More Online

Use the links below to learn more about the following:

• Timeline and important deadlines
• What types of activities are eligible, who can apply, and where projects can take place
• How proposals are evaluated
• Funding policies
• Previously funded projects

For questions, or to request translation and interpretation services, email water.grants@kingcounty.gov

West Point staff will be at the Magnolia Farmers Market on Saturday, Sept. 20

West Point staff speaking with families at the Magnolia Farmers Market earlier this summer.

This weekend King County West Point staff will be attending the Magnolia Farmers Market to share how WTD is protecting public health and the environment while improving water quality in the Puget Sound. The team will be at the market from 10 a.m. to 2 p.m.

Come tour West Point Treatment Plant!

Our tours help show how the wastewater treatment process protects our health and the environment. We host tours at Brightwater Center in Woodinville, South Treatment Plant in Renton, and Georgetown Wet Weather Station. We most recently added more dates for tours of West Point as well! The next available West Point tour is Saturday, Oct. 4th 9:30am - 12:30pm.

What's happening at WTD?

We are hiring! Find your career, with competitive pay, benefits and a pension plan today by applying at: governmentjobs.com/careers/kingcounty

Stay Informed

Check out our latest blog post: New sewer cleaning truck extends the life of King County pipes

Visit our treatment plant website to sign up for email updates and learn more: kingcounty.gov/southplant