Hydrology

NEON collects “data across the United States on the impacts of climate change, land use change and invasive species on natural resources and biodiversity. NEON is a project of the U.S. National Science Foundation, with many other U.S. agencies and NGOs cooperating.”

NEON is “the first observatory network of its kind designed to detect and enable forecasting of ecological change at continental scales over multiple decades.” The data NEON collects is freely and openly available to all users.

Global database of river discharge data from the Global Runoff Data Center which is an International data center operating under the auspices of the World Meteorological Organization (WMO).

The National Water Model (NWM) is a hydrologic model that simulates observed and forecast streamflow for the continental United States.

Data for watersheds from the EPA searchable by geographic location.

Visualize water flow through major streams in the United States by tracing them upstream to their source or downstream to where they empty.

Data tables from The World’s Water series published by the Pacific Institute.

These pages provide access to water-resources data collected at approximately 1.9 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American Samoa and the Commonwealth of the Northern Mariana Islands. Online access to this data is organized around the categories listed to the left. The USGS investigates the occurrence, quantity, quality, distribution, and movement of surface and underground waters and disseminates the data to the public, State and local governments, public and private utilities, and other Federal agencies involved with managing our water resources.”