A variety of additional tools are available for discovering information about streams and the activities along them.
The types of flow statistics that are available vary from state to state. Geological Survey data-collection stations, shown as triangles on the StreamStats map, and get flow statistics and other information for the stations. StreamStats users also can select the locations of U.S. The map-based user interface can be used to delineate drainage areas for user-selected sites on streams, and then get basin characteristics and estimates of flow statistics for the selected sites anywhere this functionality is available. StreamStats is a Web application that provides access to an assortment of Geographic Information Systems (GIS) analytical tools that are useful for water-resources planning and management, and for engineering and design purposes.