Online Learning
More than 1.6 million people get clean drinking water from the Cedar and Tolt River Watersheds. Going on a field trip or tour is great, but now you can experience the watersheds from anywhere. Explore our Online Learning site to dive into many topics related to your drinking water!
![Photo of a guided tour at the watershed](images/Departments/SPU/EnvironmentConservation/OnlineLearning/Field_Trip_Category.jpg)
Experience the Cedar River Watershed wherever you are! Learn about the water cycle, watersheds, and the Seattle area's mountain-fresh water supply.
![Photo of a dam at the watershed](images/Departments/SPU/EnvironmentConservation/OnlineLearning/Water_System_Category.jpg)
Discover the process of how water flows from mountain forests to faucets in the greater Seattle area.
![Photo of the watershed on a clear morning](images/Departments/SPU/EnvironmentConservation/OnlineLearning/Water_Source_Category.jpg)
Find out how the sources of Seattle's water, the Cedar and Tolt Municipal Watersheds, are managed now and for the future.