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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Evening Briefing: Eco-friendly Cleaning Products

September 26 at 7:00 pm
White vinegar, baking soda, lemon juice: these common household items are more powerful than you think! More than cooking ingredients, they are the basis of many environmentally safe cleaning products!…

Annual Membership Meeting

September 26 at 7:00 pm
Want to catch up on all the news from the Great Swamp Watershed Association? Join us for wine and cheese at our annual membership meeting, immediately prior to our Evening…

Downstream Adventures: High Mountain Hike

September 27 at 4:00 pm
Witness breathtaking views of New York City from one of the largest tracts of preserved land in New Jersey. Continue your exploration of the Watchung Mountains with our education associate,…

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



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


Rain Gardens Built at Paterson Schools to Capture 500,000 Gallons Of Water

The two rain gardens being installed at School 4 and School 28 will prevent 500,000 gallons of water from entering the city’s combined sewer system. Both gardens will also create greenspace in the asphalt playgrounds…
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Featured Post


How Not to Run the EPA

Christine Todd Whitman: I have been worried about how the Environmental Protection Agency would be run ever since President Trump appointed Scott Pruitt, the former attorney general of Oklahoma, to oversee it…
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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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