Stony Brook-Millstone Watershed Association

We are delighted to welcome our newest member, the Stony Brook-Millstone Watershed Association!  Look for more information about them coming soon.


The Stony Brook-Millstone Watershed Association is central New Jersey’s first environmental group. They work to protect the waters and environment of the watershed of the Millstone River and its largest tributary, the Stony Brook. The Watershed spans 25 towns across five counties including Mercer County.   They protect your water and environment through conservation, advocacy, science and education.  A non-profit organization, they depend on the support of members and volunteers to make a difference. Learn how you can help us protect central New Jersey’s water and environment. Become a member today.

Contact them

Hours:  The Watershed Center for Environmental Advocacy, Science and Education is open to the public Monday to Friday from 9:00AM – 5:00PM and Saturdays from 10:00am – 4:00pm.  The 930-acre Watershed Reserve is open from dawn till dusk.
Location: 31 Titus Mill Road, Pennington NJ
Phone:  609-737-3735
On the Web:


Their goal is to improve the health and quality of central New Jersey’s water and sustain a network of protected habitats for wildlife and people. They have a successful track record of more than 60 years of effective environmental protection.  Keeping water clean, safe, and healthy is the heart of their mission. They work to protect and restore our water and natural environment in central New Jersey through conservation, advocacy, science, and education.