Riverkeeper is a member-supported watchdog organization dedicated to defending the Hudson River and its tributaries and protecting the drinking water supply of nine million New York City and Hudson Valley residents. For more than 44 years Riverkeeper has been New York’s clean water advocate. We have helped to establish globally recognized standards for waterway and watershed protection and serve as the model and mentor for the growing Waterkeeper movement that includes nearly 200 Keeper programs across the country and around the globe.