Things to See and Do

From hiking and biking, to horseback riding and kayaking, there are countless outdoor activities to enjoy in this area. What adventure will you go on today?



Watershed Friendly Homes

Every individual home has an effect on non-point source pollution in our watershed. Learn more about what you can do to minimize your impact with our interactive home guide.




Riverkeepers are on the frontlines of the global water crisis, using the advocacy model to stand up for everyone’s right to clean water. GSWA is the Waterkeeper Alliance Affiliate for the Passaic River.


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BYO Boat, Guided Paddle on the Passaic

May 6
Grab your kayak or canoe and join GSWA as we paddle upstream from the Fisherman’s Parking Lot at the Lord Stirling Environmental Education Center. We’ll traverse beaver dams and explore the river,…

Evening Briefing: Using Open Space to Build Storm Resiliency

May 9 at 6:30 pm
Join Brooke Maslo of Rutgers cooperative extension to learn more about an exciting collaboration between ecologists, engineers, and landscape architects on a floodplain restoration and open space design in Woodbridge…

Kitchell Pond Workday

May 17 at 9:00 am
GSWA is looking for volunteers to help us to remove invasive species and replant a native buffer around Kitchell Pond. We'd love to have your help! This event is cosponsored…

All Upcoming Events

From hikes to educational workshops, GSWA offers a wide variety of environmentally focused programs. We'd love to have you join us at an upcoming event!
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Featured Programs


In-School Education

GSWA is dedicated to teaching the younger generations about their impact on the watershed and river. Every year, we reach over 2,000 students through our in-school programming.


Water Quality

Every year, we publish a Water Quality Report Card to help the public understand the data we collect and the issues our watershed faces. Learn more about our recent report card.

Report Card

Land Stewardship

We steward our 53-acre deer-fenced Conservation Management Area in Harding Township by eliminating invasive species, planting native species, and optimizing it for wildlife.




GSWA in Action

Want to learn more about GSWA and the work that we do? View our photo gallery to see us in action.
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Current News

Christie Todd Whitman, former administrator of the U.S. Envi

Former NJ Governors Unite

A bi-partisan group of former New Jersey elected officials on Tuesday announced that, despite differences in politics, they were joining together to push environmental advocacy issues in Washington, D.C.
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Featured Post


Do You Have A Pool?

I mean a vernal pool —- not a swimming pool (the man-made, permanent, in-ground facility, where the water source is human, not just from nature).  Even if you do not have a vernal pool of your own, we need to…
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Spring 2017 Newsletter

Look back in your own family history and you’ll surely find the cultivation of vegetables, herbs, and flowers played a significant role in your ancestors’ lives.
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