Welcome to the National Water Census Data Portal. Here you will find national estimates of water budget components for local watersheds, water use data for counties, tools to calculate statistics of daily streamflow records, modeled daily streamflow at ungaged stations, and access to records of aquatic biology observations. If you find any issues or have suggestions, please contact dblodgett@usgs.gov. This portal is a subset of the research and information being conducted by the National Water Census. Please visit our home page to find out more.