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
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.
May
13
Free Dead in the Park
May 13, 2025
4:30 pm - 8:00 pm
Central Park - Naumberg Bandshell
Stella Blue’s Band is back for the sixth annual Free Dead in the Park concert in Central Park on May 13th! Celebrating the Grateful Dead’s performances in Central Park and bringing fans together to enjoy great music for a great cause.
Latest news
March 27, 2025
Identifying New York waters in need of protection
March 21, 2025
NYC will eventually have to abandon part of its water supply if it keeps getting saltier
Associated Press
March 21, 2025