The Watershed Institute

Stony Brook-Millstone Watershed Association protects clean water and healthy habitat in the 265-square mile area which is drained by the Stony Brook and Millstone River in central New Jersey. Since 1949 we have worked to accomplish our goals through conservation, advocacy, science and education. SBMWA maintains a 930-acre nature reserve with over 10 miles of hiking trails in Hopewell Township NJ.