What is a Watershed?

A watershed—also called a catchment or drainage basin—is an area of land that drains into a common body of water such as a stream, lake, estuary, wetland, or ocean. For example, the Still River Watershed consists of all the land that drains into the Still River.


Larger watersheds are often made up of several smaller watersheds. For instance, the Still River Watershed is part of the larger Housatonic River Watershed, which in turn is part of the Long Island Sound watershed.


For more information about the Still River Watershed and the planning process, click the Watershed Management tab.


All the water in a given watershed drains to a single body of water, in this case the Still River.

The Still River Watershed, which spans several towns in western Connecticut, is located within the larger Housatonic River Watershed.

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