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
Latest news
August 5, 2026
Westchester has a dirty secret
Tracy Brown
August 4, 2026
The Mohawk River: The backbone of the Hudson River under pressure
Dan Shapley
July 31, 2026