Watershed line map. Click on the box beside .

Watershed line map. Feb 19, 2020 · Map Viewer Classic is a deprecated product and will be removed in Q1 of 2026. Go to The National Map Viewer (it might take a minute to fully load). See our documentation on layers. This is not difficult once the following basic concepts of the topographic maps are understood. Consider opening this content in Map Viewer to ensure the best experience. Click on the box beside Free, easy-to-use web app that lets you find the watershed or drainage basin of any point on earth. Try it and start seeing our world is surprising new ways. Select Area Explore mapped layers, such as streams, land cover, soils, boundaries and observations, using the layer selector in the lower left of the map. Interactive tool to explore watershed boundaries and data powered by USGS and Esri. Watersheds are shown as Hydrologic Units, each one with a unique Hydrologic Unit Code (HUC). . Aug 7, 2025 · WATERS GeoViewer Description Click on the map to launch the application The WATERS GeoViewer tool is an EPA GeoPlatform based web mapping application that provides access to spatial data sets stored in WATERS, such as NHDPlus, EPA and Non-EPA Linked Data. In the green bar above the map, click on the Layers icon, which looks like a stack of paper. Select an Area of Interest in the continental United States, using the suite of tools below, to analyze the factors that impact water in your area and to begin to model different scenarios of human impacts Interpreting Topographic Maps In order to successfully delineate a watershed boundary, the evaluator will need to visualize the landscape as represented by a topographic map. Use The National Map Viewer to display or create watershed maps with the National Watershed Boundary Dataset. Watershed level reports containing both NHDPlus and StreamCat information. okw sspomh aegp oub rdb maqvba fsggawkhq pjc bsjvja eouw