Your river, our future
We fight for clean water in the Hudson River and New York City’s drinking water supply
How you can helpFor generations to come
Riverkeeper brings together science, law, and advocacy to heal the Hudson and safeguard drinking water. Here’s some of what we’re up to.
Our Work
Learn more about what we do, how you are connected to the river, and how you can help.
Water quality
Testing, analyzing, and improving the water quality of the Hudson River watershed.
Habitat and wildlife
Protecting wildlife and restoring habitats in the Hudson River watershed.
Drinking water
Protecting drinking water sources for millions of New York residents in the Hudson Valley and New York City.
Climate impacts
Addressing the impacts of climate change on the Hudson River and its watershed, drinking water supplies, and the people who rely on them.
Legal cases
Riverkeeper has successfully challenged the unlawful activities of some of the largest and most notorious polluters. Stay informed on our current cases.
Policy solutions
Stay informed on critical opportunities to advance legislation and budget items that will positively impact the environment for generations.
Water quality portal
Use this interactive map to explore water quality throughout the Hudson River watershed with data that Riverkeeper and our partners collect. Dive into when and where it is safe to swim and boat, how clean your drinking water is, the health of the region's fish, and the impacts of climate change.
Explore the map
Speak up
Featured events
May
2
Riverkeeper Sweep 2026
May 2, 2026
Locations throughout New York City and the Hudson Valley
With your help, the 15th annual Riverkeeper Sweep will reach new communities, engage new volunteers, and restore additional stretches of shoreline in the Hudson River watershed.
Mar
26
Webinar: The Future of Environmental Review in New York State — What It Means for Local Communities
March 26, 2026
6:00 pm - 7:15 pm
Zoom
Join KingstonCitizens.org with special guest Bew Gamils, Senior Attorney at Riverkeeper for this important webinar about SEQR and what proposed changes mean for New York and how you can take action.
Latest news
March 22, 2026
Has New York’s ban on eating most fish from the Hudson worked?
Times Union
March 20, 2026
Environmental groups concerned over development exemptions push
Daily Freeman
March 19, 2026
PFAS Regulations and Clean Water Funding
New York Now