THE UNTHIRSTY LANDSCAPE: DRAMA without the DRINKING!

Come learn new tips and techniques to use less water but still have a beautiful landscape! You will learn how and when to water your container gardens, shrubs, and flower beds to keep them healthy without wasting water. You will also learn how to mulch, which mulch you should use, and how to catch rain to water your plants.

FREE

JULY 9th from 6:30 to 7:30 with Marianne Binetti

In person at the District Office.  Space is limited.  Please register at info@kcwd90.com

District's 2026 Schedule of Charges Posted

There is a slight increase in 2026 to the base rate and some of our fees.

Click HERE to View

Do You Have a Backflow Device?

KCWD90 has partnered with Backflow Solutions, Inc. (BSI), a third-party contractor, to manage the District's Cross Connection Control Program. BSI provides a web-based tracking program and a more efficient and cost-effective means of managing the District's inventory of backflow prevention assemblies.

What does this mean for you as a backflow customer? Click here to find out.

Here to Serve Our Entire Community

Clean water is essential to the pursuit of health and happiness and King County Water District No. 90 exists to provide these services to everyone in our community. We serve a diverse population and we want to communicate to you, our customers, that we support equality.