-
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA
Department of the Interior —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
Federal
National Hydrography Dataset Plus - NHDPlus
U.S. Environmental Protection Agency —
This high-level metadata data document will be supplemented with detailed regional metadata at a later date. The NHDPlusV2 is an integrated suite of application-ready... -
Federal
Digital Elevation Models (DEM) Data
Department of the Interior —
These topographic/bathymetric digital elevation models (DEMs) were collected and compiled to characterize erosion and deposition in the Colorado River and in an... -
Federal
Great Smoky Mountains National Park Trout Distribution
Department of the Interior —
The brook trout (Salvelinus fontinalis) is the only trout native to the southern Appalachian Mountains. It was once widespread in Great Smoky Mountains National Park... -
Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
Department of the Interior —
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography... -
State
Waterbody - Large Scale
State of Oregon —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
Federal
Thermal Infrared Airborne Imagery and Longitudinal Profiles of Stream Temperatures, Hat Creek, California, August 2018
Department of the Interior —
This dataset includes georeferenced high-resolution, airborne thermal infrared (TIR) imagery, a polyline shapefile of the channel centerline, and a tabular file with... -
Federal
Red River Flood Map Files
Department of the Interior —
Heavy rainfall occurred across Louisiana during March 8-19, 2016, as a result of a massive, slow-moving southward dip in the jet stream, which moved eastward across... -
Federal
National Hydrography Dataset (NHD)
Department of the Interior —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
Federal
National Riparian Area Base Map
Department of Agriculture —
This imagery layer shows national riparian areas for the conterminous United States. Riparian areas are an important natural resource with high biological diversity.... -
Federal
Great Smoky Mountains National Park Hemlock Woolly Adelgid Treatment Locations
Department of the Interior —
The Great Smoky Mountains National Park contains over 800 acres of old growth eastern hemlock (Tsuga canadensis), more than any National Park Service unit. Called the... -
Federal
LiDAR, natural color and thermal infrared data collected by uncrewed aircraft system (UAS) for mapping topography and stream temperature along the Vermilion River, Montana, August and October 2023
Department of the Interior —
The U.S. Geological Survey collected low-altitude airborne LiDAR, natural color and thermal infrared imagery via a multirotor, uncrewed aircraft system (UAS) along... -
Federal
In situ measurements of Rhodamine WT dye concentration and turbidity made during a tracer experiment on the Missouri River near Columbia, MO, on May 5, 2021
Department of the Interior —
This child data release includes fluorometer measurements of Rhodamine WT dye concentration and turbidity acquired during a tracer experiment performed on the... -
Federal
Multispectral satellite image data from the upper Sacramento River in northern California, October 18, 2017
Department of the Interior —
Multispectral satellite image data from the upper Sacramento River in northern California were acquired on October 18, 2017, to support research on remote sensing of... -
Federal
Stream Lines Used to Produce the South Carolina StreamStats 2018 Release
Department of the Interior —
The U.S. Geological Survey South Atlantic Water Science Center, in cooperation with the South Carolina Department of Transportation, implemented a South Carolina... -
Federal
Water-surface profile map files for the Mississippi River near Prairie Island, Welch, Minnesota, 2019
Department of the Interior —
Four digital water-surface profile maps for a 14-mile reach of the Mississippi River near Prairie Island in Welch, Minnesota from the confluence of the St. Croix... -
Federal
Flood Inundation Mapping Data For Johnson Creek near Sycamore, Oregon
Department of the Interior —
The basis for these features is U.S. Geological Survey Scientific Investigation Report 2017-5024 Flood Inundation Mapping Data for Johnson Creek near Sycamore,... -
Federal
Environmental Sampling and Modeling Results to Characterize Surface-Water Quality at 32 Sites Across the Potomac River Watershed, 2022 (ver. 3.0, April 2025)
Department of the Interior —
This data release presents chemical results from investigations of surface-water quality in the Potomac River watershed (encompassing Washington, D.C. and parts of... -
Federal
Depth grids of the flood-inundation maps for the St. Joseph River at Elkhart, Indiana
Department of the Interior —
Digital flood-inundation maps for a 6.6-mile reach of the St. Joseph River at Elkhart, Indiana were created by the U.S. Geological Survey (USGS) in cooperation with... -
Federal
Black Creek Rapid Geomorphic Assessment, Allen County, Indiana
Department of the Interior —
The Maumee River network contributes a significant amount of total phosphorus (P), including both sediment-bound P (sed-P) and dissolved reactive P (DRP, also known...