4. The Hudson River Watershed - NYS Dept. of Environmental Conservation

Department of Environmental Conservation

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4. The Hudson River Watershed

The sources of much of the river's remaining pollution are dispersed throughout its 13,390-square-mile watershed - the land from which water drains into the Hudson. This non-point source pollution includes oil and grease from parking lots and highways, excess fertilizers and pesticides from farms and lawns, and sediment from land left bare by construction and other human activity.

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Map of the Hudson River watershed
Most of the Hudson's vast watershed lies within New York State