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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
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
USGS Surface-Water Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
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
Southern Great Plains 1997 (SGP97) Hydrology: United States Geological Survey (USGS) Daily Reservoir Data
Department of Agriculture —
The United States Geological Survey (USGS) Reservoir dataset is one of various hydrological datasets provided for the Southern Great Plains 1997 (SGP97) project. This... -
Federal
Hydrologic data compilation from headwater stream case studies for open access
U.S. Environmental Protection Agency —
Drying has a major impact on pattern and process in streams, particularly in small or headwater streams. Such streams that dry recurrently are called non-perennial... -
Federal
USGS Water Use Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The U.S. Geological Survey's National Water-Use Information Program is responsible for compiling and disseminating the nation's water-use data. The USGS works in... -
Federal
Seepage-run discharge measurements, September 24, 2021, Kawainui Stream, O'ahu, Hawai'i
Department of the Interior —
This data release contains a comma-delimited ascii file of eight same-day, discrete discharge measurements made at sites along selected reaches of Kawainui Stream,... -
Federal
Flood Inundation Maps for the Amite and Comite Rivers from State Highway 64 to U.S. Highway 190 – City of Central, Louisiana
Department of the Interior —
The State of Louisiana experienced widespread flooding during the extreme rainfall events of March and August 2016. The City of Central, Louisiana, which lies above... -
Federal
Seepage-run discharge measurements, December 28, 2021, South Halawa Stream, North Halawa Stream, and Halawa Stream, Oahu, Hawaii
Department of the Interior —
This data release contains a comma-delimited ascii file of five same-day, discrete discharge measurements made at sites along selected reaches of South Halawa Stream,... -
Federal
SIR2016-5029_cfwgoshor_2: Flood Inundation Depth for a Flow of 15,000 cfs at the Gage Coast Fork Willamette River at Goshen, Oregon
Department of the Interior —
The domain of the model is as follows: Row River from Dorena dam to the confluence with the Coast Fork; Coast Fork from Cottage Grove dam to the confluence with the... -
Federal
Colorado River At River Section 41 Daily Stream Gage Height-ft Time Series Data
Department of the Interior —
Data are from the Lower Colorado Hydrologic Database and updated once daily. -
Federal
Depth grids of the flood-inundation maps (combined flooding scenarios) for Fourmile Creek at Silver Grove, Kentucky
Department of the Interior —
Digital flood-inundation maps for a 3.4-mile reach of Fourmile Creek at Silver Grove, Kentucky, were created by the U.S. Geological Survey (USGS) in cooperation with... -
Federal
Geospatial and survey data for flood-inundation maps in a 23-mile reach of the Medina River at Bandera, Texas, 2018
Department of the Interior —
Digital flood-inundation maps were created by the U.S. Geological Survey (USGS) in cooperation with the Bandera County River Authority and Groundwater District and... -
Federal
Base flow estimation via optimal hydrograph separation at CONUS watersheds and comparison to the National Hydrologic Model - Precipitation-Runoff Modeling System by HRU calibrated version
Department of the Interior —
Optimal hydrograph separation (OHS) is a two-component, hydrograph separation method that uses a two-parameter, recursive digital filter (RDF) constrained via... -
Federal
Klamath Basin Restoration Agreement Off-Project Water Program Evapotranspiration Map for May 2006
Department of the Interior —
Hydrological Information Products for the Off-Project Water Program of the Klamath Basin Restoration Agreement U.S. Geological Survey Open-File Report 2012-1199 U.S.... -
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
United States Geological Survey discharge data from five example gages on intermittent streams
U.S. Environmental Protection Agency —
The data are mean daily discharge data at United States Geological Survey gages. Once column provides the date (mm/dd/yyyy) and the other column provides the mean... -
Federal
Geomorphic Change Data for the Little Colorado River, Arizona, USA
Department of the Interior —
These data include geospatial files (shapefiles and orthorectified raster images) and an input hydrograph (csv) for a 1-dimensional unsteady hydrologic model.... -
Federal
Water-quality and stream discharge data for estimation of nitrogen loads in the South Platte River, Denver, CO, 2017-2018
Department of the Interior —
The purpose of this data release is to provide the original data, analysis methods, and nitrogen loading models in support of a study of the upper South Platte River...