Please help us achieve our mission to protect water and land
for a healthier environment now and for the future.

Visit Our Conservation Management Area!

Conservation Management Area Sign. Photo by Paul SteckYou’re invited to explore our Conservation Management Area (CMA), a wooded 53-acre natural area in Harding Township that’s open to the public for walking and casual hiking. Though GSWA holds a number of scheduled events throughout the year — family hikes, group tours, and moonlight walks to name a few, you can enjoy the CMA on your own at your convenience [read more] [directions] [Trail Map] [Informational Brochure – coming soon] [Hunting info].

Test Your Tap Water

View photos from our One River, One Community gala celebration.
Read about it in the Observer-Tribune.

Video of Columbus Day 2016 hikeGSWA’s 2016 Columbus Day Hike was recently featured on Verizon Fios Push Pause News. The video, featuring director of education, Hazel England, can be viewed here.

Article & video: The Dirty Truth about that Other Jersey Shore (NPR, 2010)

Donate to Help Support the Coalition Against Pilgrim Pipeline

Choose “Pilgrim Pipeline Gift” from the donation category drop down to ensure your gift will be restricted for this cause.

GSWA Receives Four Star Rating from Charity Navigator

Charity Navigator Four Star CharityWe are proud to announce that Great Swamp Watershed Association’s Four Star Rating from Charity Navigator has been affirmed again this year. Receiving four out of a possible four stars verifies that our organization demonstrates sound fiscal management and commitment to accountability and transparency, and adheres to good governance and other best practices. It also shows we consistently execute our mission in a fiscally responsible way.

Approximately a quarter of the charities evaluated by Charity Navigator have received the highest rating, indicating that Great Swamp Watershed Association outperforms most other charities in America. This “exceptional” designation from Charity Navigator differentiates the Great Swamp Watershed Association from its peers and demonstrates to the public it is worthy of their trust.

Great Swamp Water Quality ReportGreat Swamp Watershed Water Quality Report Card

Report (pdf, 15 mb)
More information


Check out our Research Library!

School Water Monitoring on the PassaicRead about the SWaMP program and see the results of monitoring tests performed by high school and college students in communities along the Passaic River.

Support Great Swamp Watershed Association by shopping at smile.amazon.com

Related Sites of Interest

Great Swamp National Wildlife Refuge: www.fws.gov/refuge/great_swamp/

Friends of Great Swamp NWR: www.friendsofgreatswamp.org

Great Swamp Outdoor Education Center (Morris County Park Commission): www.morrisparks.net/aspparks/gswampmain.asp

Somerset County Park Commission Environmental Education Center: www.somersetcountyparks.org/parksfacilities/eec/EEC.html

Links to other internet sites

Contacts for Emergency Reporting of Pollution and/or Dumping