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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Stream Assessment Training

October 21 at 9:00 am
If you are interested in becoming a stream monitoring volunteer or just learning more about stream health, this is the training for you! An early-morning indoor classroom session helps you learn how to conduct…

"Back to Nature" Craft n' Hike

October 25 at 4:00 pm
We team up with Madison Mud: A Clay Studio, to bring nature right into your own home. Sandra LaVigne, GSWA Director of Water Quality, will lead a hike at our…

Beaver Moon Hike

November 3 at 7:00 pm
November’s full moon is known as the “Beaver Moon.” According to the Old Farmer’s Almanac, Algonquin Native Americans and American colonists called the November moon the “Beaver Moon” because “this…

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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Fall 2017 Newsletter

At a time of political change, one thing is clear and consistent: Americans strongly support saving the open spaces they love.
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