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Water Quality Education

Learn about our local watershed and keeping it healthy through daily actions and sustainable gardening techniques.

Watershed Girl

Did you know that how you water your garden makes a big difference in the way plants grow? By developing smart watering practices, you can make big improvements in root development, disease and pest prevention, and the overall health of your plants.

You can also make simple changes in your yard that keep your community a clean and healthy place to live. By slowing and filtering the rain water that runs off your yard, you can keep pollutants out of the storm drain and out of local streams, lakes and the Puget Sound.

Tilth Alliance is pleased to offer several ways to help you create water smart yards that fight urban water pollution in your community and conserve water in your garden!

Get Water Smart: Attend a Free Class

Join Tilth Alliance for a free, hands-on workshop all about getting “water smart” in your garden. You’ll leave the workshop with the knowledge and resources to improve the health of your plants and reduce your time spent watering! We will discuss plants' water needs, how to improve the health and water holding capacity of your soil, how and when to water, and tools and methods to reduce water use.

All participants will receive free tools and resources, and be entered to win great door prizes. These workshops are sponsored by Cascade Water Alliance and offered free of charge.

Choose from several dates this summer at locations throughout King County.


Step-by-Step Guidance

Water Smart ToolkitTilth Alliance’s Water Smart Toolkit: Your Guide to Creating a Water Smart Landscape provides step-by-step guidance to savvy homeowners who want to develop a water smart landscape. Tools include:

  • site assessment checklist and templates
  • detailed guidance for nine water quality improvement projects
  • cost comparison and site suitability charts
  • links to the most up-to-date technical information
  • maintenance planning tools
  • contractor recommendations

Download the Toolkit

Download the toolkit here.

Learn About Organic Gardening

The garden is a great place to take action! By using sustainable gardening principles, Seattle and King County residents can save money and grow beautiful landscapes while protecting the water we all share. Find out about our organic gardening classes or ask the Garden Hotline your questions.

Contact Us

Cascade Water Alliance logoTo learn more, email Chris Hoffer at or call (206) 633-0451 ext. 108.

Thanks to Cascade Water Alliance for funding to support water conservation education.

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