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Watershed Moment Definition
STEM Lessons at Home
Everyone lives in a watershed
Why are watersheds important? Well, watersheds contain all the water bodies that supply our drinking water, water for agriculture and manufacturing, offer opportunities for recreation like kayaking and swimming, and provide habitat to plants and wildlife.
Where Does Rainwater Go In Cities?
Rain and snow fall to earth (precipitation) some of it evaporates, some soak into the soil, and some fills lakes and rivers, eventually flowing into the ocean.
What Is Runoff In The Water Cycle?
Water that runs above the ground.Â
What is a watershed?
Watersheds come in many shapes and sizes, and smaller watersheds exist inside larger ones.
• Coasts
• Forests
• Grasslands
• Deserts
• Farms
• Your SchoolÂ
• Your neighborhoodÂ
What watershed do I live in?
For example, if you live in the Portland area, you may live in any of these watersheds, all connected as part of one major river basin.
Watersheds of Portland:
- Columbia Slough
- Willamette Mainstem
- Willamette Tributaries
- Fanno Creek
- Johnson Creek
- Tyron Creek
What major river basin do I live in?
- Willamette Basin
Your Watershed & Pollution
Save our One World Ocean
Overland flow or runoff water can be seen on the street flowing into a street drain. Any litter or invisible toxins on the ground are picked up by the runoff water and carried to a street drain or underground into urban streams, rivers, lakes, and the ocean.
Ocean Debris Kit For Schools
Marine Biology for Kids - Ocean Debris Kit
Plastic fragments and Microplastics found on American beaches.
How do watersheds connect to the ocean?
Estuaries
Wetlands
Salmon runs
Coral Reefs
How Does Plastic End Up In The Ocean?
How Many Oceans Are There?
Watershed Project for School
Get your Watershed Course Guide
What is the largest watershed in the United States?
The largest watershed in the United States is the Mississippi River Watershed that drains 1.15 million square miles from parts of 31 U.S. states and two Canadian provinces of the Rockies all the way to the Appalachians!
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