Taking Care of Your Water at the Source

Find out how the sources of Seattle's water, the Cedar and Tolt Municipal Watersheds, are managed now and for the future.

Watersheds

Diagram of a Watershed

Activity, 2 minutes

A simple graphic that illustrates the concept of a watershed. Download the watershed graphic (PDF).

Watershed diagram.
What is a watershed? A watershed is an area, bounded by mountains or hills, from which all rainwater flows to a single body of water—lake, stream, river or sound. Image courtesy of King County Design and Civic and Engagement.

A Watershed Model Demonstration!

Video, 3 minutes

The Cedar River Watershed is closed to unsupervised public access. Watch this video to see why it's so important to keep homes, businesses, and recreation away from our drinking water: Watereshed Model Demonstration

A model of a watershed on a kitchen counter.

What is a Watershed?

Video, 1 minute

The short video What is a Watershed? explains what a watershed is and how important they are.

Video still with the text "Is it a shed that holds water?"

Public Utilities

Andrew Lee, General Manager and CEO
Address: 700 5th Avenue, Suite 4900, Seattle, WA, 98104
Mailing Address: PO Box 34018, Seattle, WA, 98124-5177
Phone: (206) 684-3000
SPUCustomerService@seattle.gov

Sign Up for Latest Updates

Subscribe

Seattle Public Utilities (SPU) is comprised of three major direct-service providing utilities: the Water Utility, the Drainage and Wastewater Utility, and the Solid Waste Utility.