Water Quality

Water Quality Testing
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This program aims to improve the water quality of the Hudson and its tributaries through increased water quality monitoring and public notification, consistent investment in wastewater and stormwater infrastructure, and better water quality policies.

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View water quality data collected monthly (May-October) from 74 sampling sites on the Hudson River Estuary.

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View water quality data from 96 sites on select tributaries of the Hudson River.

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Learn about your waterway using the databases, maps and other resources assembled here.

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Identify potential hazards to watersheds, including drinking source waters, as part of Riverkeeper's NYS Source Water Scorecard.

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We all have the right to know what’s in our drinking water.

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Partnered with U.S. Environmental Protection Agency and Cornell University, Riverkeeper has documented hundreds of compounds associated with pharmaceuticals, personal care products, pesticides and industrial compounds in the Hudson River Watershed.

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Our partners at Columbia University’s Lamont-Doherty Earth Observatory and CUNY Queens College, and scientists at other institutions, have published many studies in the scientific literature in collaboration with Riverkeeper, either utilizing our water quality monitoring data or dealing with related patterns of sewage pollution or […]

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Keep the Hudson River flowing!
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