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What is a Watershed?

The Westport River Watershed Alliance works together to ensure clean water and a healthy river community- now, and for future generations.

We all live in a watershed. A watershed is all of the land that drains into a common waterway, such as a river, stream, lake, estuary, or ocean. Watersheds come in all shapes and sizes. They cross town, county, state, and national boundaries. No matter where you are, you're in a watershed. Ridges and hills that separate two watersheds are called the drainage divide.

The Westport River Watershed encompasses 100 square miles within Westport, Dartmouth, Freetown, and Fall River in Massachusetts and Tiverton and Little Compton in Rhode Island.  It is made up of 14 smaller sub-watersheds as you can see on the left and each of these eventually drain into the Westport River.  Our watershed is also a sub-watershed of the Buzzards Bay Watershed since Westport River drains into Buzzards Bay.  

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Interested in learning more?  Check out our

What is a Watershed video by Michaelah (aka Plover), WRWA's Environmental Educator or our What is a Watershed blog post by Roberta, WRWA's Science Director.

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