Land Stewardship

GSWA receives national accreditation!

Becomes one of only eight organizations in New Jersey to achieve this recognition!  


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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.




Everyone has right to clean water. Riverkeepers are on the frontlines of the global water crisis, using the advocacy model to stand up for that right. At GSWA, we are the official Waterkeeper Alliance Affiliate for the Passaic River.


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Breakfast Briefing: Recycling - Straight from the Source

September 17 at 8:00 am
Well-intentioned but incorrect recycling creates major problems at the recycling plant. Just ask Gary Sandermeyer, VP of Operations at Bayshore Recycling. And you can do just that when you join…

New Moon Hike at the Refuge

September 27 at 7:00 pm
Come hike the trails of the Wildlife Refuge under a new moon. A new moon is the first lunar phase, which means it will not be visible at all. This…

Great Swamp Gala & Silent Auction 2019 Honoring Congresswoman Mikie Sherrill

October 3 at 6:00 pm
GSWA is thrilled to honor Congresswoman Mikie Sherrill at our 2019 Gala & Silent Auction, held at the Brooklake Country Club in Florham Park. Purchase a “VIP Premier Ticket” to…

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 3,000 students through our in-school programming.


Water Quality

Every year, we publish a Water Quality Report Card about the prior year to help inform the public about the data we collect and the issues our watershed faces.

Report Card



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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GSWA Partner Events

thank you reusable bag

GSWA Partner Events

GSWA and its partners in our historic watershed and across the Passaic River region are excited to provide you with a listing of free-to-the-public environmental events happening locally.
For inclusion please contact
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Featured Post

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So, You Want To be An Intern? Six Things You Should Know…

So you think you have what it takes to be a great intern? Here are six things to help you succeed and make the most out of your internship…
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GSWA Spring-Summer 2019 Newsletter

In this issue: Plastic Bag Challenge, Environmental Hot Spots, So you want to be an intern?, 2100 by 2021, Plastivores, Seasons’ Climate Change, Music Festival, Gala Highlights, 5 New Board Members, Microplastic Sampling and more…
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