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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
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
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... -
Federal
Flood-Inundation Depth Grids for Little Calumet River from Lansing to South Holland, Illinois, 2020
Department of the Interior —
Digital flood-inundation maps for about an 8-mile reach of the Little Calumet River, Illinois, were created by the U.S. Geological Survey (USGS) in cooperation with... -
Federal
Flood-inundation depth grid files for selected reaches of the Sabinal River and the West Sabinal River near Utopia, Texas, 2021
Department of the Interior —
This data release documents the digital data used to produce flood-inundation maps for a range of gage heights (stages) for the Sabinal River near Utopia, Tex. The... -
Federal
Acoustic Doppler Current Profiler (ADCP) Data
Department of the Interior —
These acoustic Doppler current profiler (ADCP) data were collected and compiled to characterize the velocity patterns in channel of the Colorado River and in an... -
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
Biological and physical data for zebra mussel (Dreissena polymorpha) veligers collected from a coupled lake-stream ecosystem in north Texas, 2012-2014
Department of the Interior —
Dispersal, establishment, and spread of aquatic invasive species such as the zebra mussel (Dreissena polymorpha) can be influenced by riverine velocities and... -
Federal
Shapefiles of the flood-inundation maps for the Meramec River at Valley Park, Missouri, 2018
Department of the Interior —
Digital flood-inundation maps for a 9.1-mile reach of the Meramec River near Valley Park, Missouri, were created by the U.S. Geological Survey (USGS) in cooperation... -
Federal
Flood-inundation depth grids for Joachim Creek, De Soto, Missouri, 2018
Department of the Interior —
Digital flood-inundation maps for a 6.7-mile reach of Joachim Creek at De Soto, Missouri, were created by the U.S. Geological Survey (USGS) in cooperation with the... -
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
One-dimensional HEC-RAS water quality simulation inputs and files for the Lazy Day reach of the Big Piney River, near St. Robert, Missouri
Department of the Interior —
This dataset includes the one-dimensional HEC-RAS water quality model simulation input and output files for two simulation discharges at the Lazy Day (LD) reach on... -
Federal
Depth grids of the flood-inundation maps for the Meramec River at Valley Park, Missouri, 2018
Department of the Interior —
Digital flood-inundation maps for a 9.1-mile reach of the Meramec River near Valley Park, Missouri, were created by the U.S. Geological Survey (USGS) in cooperation... -
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
Hydrographic Datasets for Hydrologic Unit 02070010 - Anacostia
Department of the Interior —
The Chesapeake Bay Hyper-Resolution Hydrography Database is intended to facilitate analysis of the landscape in the Chesapeake Bay watershed through identification of... -
Federal
Flood Inundation Depth for a Flow of 1,200 cfs (stage 11) at Gage 14211500, Johnson Creek near Sycamore, Oregon (sycor_11.tif)
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
Nitrogen sources to and export from the Chesapeake Bay watershed, 1950 to 2050
Department of the Interior —
This U.S. Geological Survey data release contains datasets that combine past data with future projections of nitrogen sources and nitrogen export to the Chesapeake... -
Federal
Fish and selected physical and chemical water-quality data for the U.S. Geological Survey Midwest Stream Quality Assessment
Department of the Interior —
In 2013, the first of several Regional Stream Quality Assessments (RSQA) was done in the Midwest United States. The Midwest Stream Quality Assessment (MSQA) was a... -
Federal
USGS Streamgages Linked to the Medium Resolution NHD
Department of the Interior —
The locations of approximately 23,000 current and historical U.S. Geological Survey (USGS) streamgages in the United States and Puerto Rico (with the exception of... -
Federal
Upper Colorado River Basin Accumulated Wastewater Ratios and PFAS Model Predictions (ver. 2.0, August 2025)
Department of the Interior —
A wastewater reuse model was applied to the Upper Colorado River basin to assess the (1) percent of accumulated wastewater (ACCWW%) from municipal and industrial...