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
27
WEBINAR: What the Trump administration means for clean water
March 27, 2025
6:00 pm - 7:00 pm
Online
How Riverkeeper is holding the line and what you can do
May
3
Riverkeeper Sweep 2025
May 3, 2025
Locations throughout New York City and the Hudson Valley
We hope you’ll save Saturday, May 3, to join the 14th Annual Riverkeeper Sweep. With your help, we aim to reach new communities, engage new volunteers, and restore additional stretches of shoreline in the Hudson River watershed.
Latest news
March 21, 2025
Congressional letter urges EPA action on Hudson River PCBs
March 14, 2025
With federal cuts looming, NYS lawmakers propose boosts to clean water funding
Jeremy Cherson
March 13, 2025