The Watershed Institute, formerly the Stony Brook-Millstone Watershed Association, is a member supported non-profit organization. We could not do the work we do without the help and support of our many dedicated members and volunteers. Protect your water and environment by becoming a member today!

We are excited to announce the introduction of a new online portal and registration system to enhance your experience with us. You will now be able to easily sign up for programs and special events, renew your membership, and automatically receive member discounts. Follow the instructions to create your account today.

When you make a one-time donation of $25 or more, you will become a member of the Watershed Institute, and are entitled to all the benefits of membership.  Any questions about memberships or making a donation please contact Lynn McNulty at 609-737-3735 ext. 24.

All Members Receive:

– Quarterly Wellspring Newsletter

– Monthly E-Newsletter and Environmental Action Alerts

– Discounts on Programs & Events (excluding Watershed Nature Camp)

– Discounts on Tap Watch Water Testing Service for Well & Municipal Water

– Discounts in the Watershed Nature Shop

– Early Registration to the Watershed Nature Camp

The following categories comprise the premier membership groups for the Watershed Institute, with annual contributions starting at $1,000 and include these extra benefits:

McAlpin Society | $1,000-$2,499

Stony Brook Circle | $2,500 – $4,999

Muriel Buttinger Society | $5,000+

– Watershed Sponsored lectures and events

– Annual Donor Recognition Cocktail Party and Lecture

– Watershed at Work Events such as Owl Banding or Butterfly Tagging

– “Inside the Watershed Lunch” with Jim Waltman

Your membership gift will go a long way and support the Watershed’s conservation, advocacy, science and education work and allow us to:

  • Speak out on your behalf to protect water, land and air and advocate for a better future for our children and grandchildren.
  • Develop the environmental advocates and leaders through our education programs for children and adults.
  • Provide science-based education curriculum in partnership with public and private schools to prepare students for 21st century careers.
  • Monitor the quality of our water at over 60 sites in our Watershed and share data with municipalities and the state. Identify problems and propose solutions to water quality threats.
  • Guide municipalities and provide solutions to help them manage polluted storm water runoff and flooding. Advocate for strong local ordinances that protect stream corridors and offer design solutions using green infrastructure.