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.
View water quality data collected monthly (May-October) from 74 sampling sites on the Hudson River Estuary.
View water quality data from 96 sites on seven tributaries of the Hudson River.
We all have the right to know what’s in our drinking water.
Learn about your waterway using the databases, maps and other resources assembled here.