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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Volunteer Workday at the CMA

November 19 at 8:30 am
Help us maintain and improve access to our 53-acre Conservation Management Area (CMA) located in Harding Township, while burning off some calories before the gluttonous winter holidays. This natural gem includes areas…

Downstream Adventures: Glenhurst Meadows Hike

November 25 at 10:00 am
Walk off that Thanksgiving meal with a family-friendly hike through wetland fields and meadows alongside the meandering Passaic River and Cory's Brook. Birders, grab your binoculars and some friends, and…

Homemade Holiday Sweets & Savories Tasting

December 6 at 5:30 pm
Sample eight tasty appetizer and adult beverage pairings, and take home the recipes to recreate for your family and friends. Whether you're entertaining for the holidays or looking for some…

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 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

Paterson Rain Garden Planting_cropped for website

Paterson Students Plant in their Newly Built Rain Gardens

Zaheen Aeron and Nadia Arias never planted anything in their eleven years of existence. Both students of the Paterson Gifted and Talented Academy wasted no time getting their hands dirty digging through mulch….
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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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