Water Resources of the United States
Water is one of six science mission areas of the U.S. Geological Survey (USGS). Water's mission is to collect and disseminate reliable, impartial, and timely information that is needed to understand the Nation's water resources.
New Online, Interactive Tool for Estimating Atrazine Concentrations in Streams and Rivers
Using Every Drop of Water: the Open Water Data Initiative
What's Being Done to Protect the Great Lakes?
Water Quality in Principal Aquifers of the United States, 1991-2010
Online, interactive water-cycle diagram for schools (3 age levels)
Groundwater Toolbox: A Graphical and Mapping Interface for Analysis of Hydrologic Data
Innovating to Protect our Waterways: Nutrient Sensor Challenge
Data-driven Insights on the California Drought
Water Data for the Nation