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.
Learn more
Speak up
Featured events
Jun
14
Riverkeeper Fish Migration Celebration - Welcoming of the Fish
June 14, 2025
9:30 AM - 12:00 PM
Hudson River Park’s Pier 64 - New York, NY
Together we will mark the return of our Hudson River fish home from the ocean with our river-faring flotilla of fish-themed boats. Led by a massive Atlantic sturgeon, the vessels will travel the route of the seasonal migration, north from the Atlantic Ocean into the Hudson.
Jun
14
Riverkeeper Fish Migration Celebration - Hudson Boat Flotilla
June 14, 2025
10:30 AM
Multiple locations in NYC and Westchester
On Saturday, June 14, the invisible Serengeti-scale migration that passes through our region each year unnoticed will be made visible for all to see in the form of a flotilla of “fish boats.”
Jun
14
Riverkeeper Fish Migration Celebration
June 14, 2025
NYC to Westchester
A journey of art, activism, and wonder
Latest news
June 6, 2025
Protecting drinking water at the source
June 6, 2025
Pushing Congress to protect Hudson River research and resilience
June 5, 2025
Environmental organizations tell court that New York must implement Its delayed climate law
New York’s delay is withholding cleaner air, lower energy bills, and more resilient communities from New Yorkers.