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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POSTPONED: DIY: Build a Warbler Bird Box

March 31 at 5:30 pm
Join us for a fun-filled evening that's for the birds! Come learn about the beautiful little yellow songbirds, Prothonotary Warblers, and their nesting habits - along with those of similar…

POSTPONED: Stream Assessment Training - Spring 2020 (Free)

April 4 at 9:00 am
Curious about streams and their health? Join us for this training session to learn more or maybe even become a stream monitoring volunteer. An indoor classroom session teaches you how…

POSTPONED: Workshop: Wild Edibles - Make & Take Garlic Mustard Pesto

April 9 at 5:30 pm
This workshop will explore the ongoing threat of invasive plants species as it relates to biodiversity and ecosystem health. Learn about the impacts of invasive plants, how to identify the…

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


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

Nature is open

Office is Closed but Nature is Open!

These are obviously challenging times. Many of us are working from home and those four walls can close in pretty fast. Remaining indoors for extended periods of time can really take a toll on your mind, body and soul. So, before that happens, schedule some time each day to step outside and breathe in the fresh air.* Go for a walk, run, or hike. And bring the family along… Read on…
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GSWA Fall-Winter 2019 Newsletter

Spring-Summer 2020 GSWA Print Newsletter. Click to read on…
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