Stony Brook-Millstone Watershed Association

The Stony Brook-Millstone Watershed Association

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Founded	1949
Headquarters	Hopewell Township, Mercer County, New Jersey, United States
Area served	Central New Jersey
Slogan	"Your water. Your environment. Your voice."
Website	www.thewatershed.org

The Stony Brook-Millstone Watershed Association is a New Jersey organization devoted to promoting and protecting the watersheds of central New Jersey's Stony Brook and Millstone River, along with associated natural resources and beauty. Claiming to be central New Jersey's first environmental group, it was established in 1949. The organization promotes and advocates conservation and restoration of natural habitats, collects data on environmental conditions in its watersheds, and provides environmental education through numerous programs.

The association is centered on its 930-acre nature reserve in Hopewell Township, Mercer County, which includes portions of Stony Brook, a pond, several trails, the Watershed Center for environmental education, and the Stony Brook Millstone Watershed Arboretum.