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
Explore water quality throughout the Hudson Valley with data that Riverkeeper and our partners collect.
View the data
Speak up
Featured events
Mar
7
NationalSawdust+ presents Sister Rivers
March 7, 2025
7:30 PM - 9:00 PM
National Sawdust
NationalSawdust+ presents Sister Rivers: Featuring Tenzin Choegyal with Special Guests from Riverkeeper
Feb
15
Film Screening: Sister River
February 15, 2025
5:00 PM - 6:30 PM
Hudson Valley Books for Humanity
Join Riverkeeper and Hudson Valley Books for Humanity in Ossining, NY for a special screening and Q&A of “Sister River,” a profound journey to the Karnali River — the last undammed river in Nepal and sister river to the Hudson.
Latest news
January 14, 2025
Protecting vulnerable species while achieving renewable energy goals
Drew Gamils
January 14, 2025
Riverkeeper position on the proposed Fjord Trail
Mike Dulong
January 8, 2025