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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 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
Inundation layers for the Brazos River for the August and September 2017 flood event in Texas
Department of the Interior —
Hurricane Harvey made landfall near Rockport, Texas on August 25 as a category 4 hurricane with wind gusts exceeding 150 miles per hour. As Harvey moved inland the... -
Federal
Trends in annual peak streamflow quantiles for 2,683 U.S. Geological Survey streamgages in the conterminous United States
Department of the Interior —
Measures used to assess trends in the 10th, 50th, and 90th quantiles of annual peak streamflow from 1916-2015 at 2,683 U.S. Geological Survey stations and within 191... -
Federal
Flood-Inundation Areas in Grapevine Canyon Near Scotty's Castle, Death Valley National Park, California
Department of the Interior —
This polygon shapefile represents estimated flood-inundation areas in Grapevine Canyon near Scotty's Castle, Death Valley National Park. Estimates of the 4, 2, 1,... -
Federal
Annual estimates of suspended-sediment concentration and load to support trend analysis on the Mississippi River and Atchafalaya River, 1980-2015
Department of the Interior —
This data release contains annual estimates of suspended-sediment concentration and load for the Mississippi River, St. Francisville site and the Atchafalaya River,... -
Federal
Fluvial Egg Drift Simulator (FluEgg) Results for 240 Simulations of Bighead Carp Egg and Larval Drift in the Illinois River
Department of the Interior —
The Fluvial Egg Drift Simulator (FluEgg) estimates bighead, silver, and grass carp egg and larval drift in rivers using species-specific egg developmental data... -
Federal
Aerial thermal infrared imagery of the lower Elkhorn River, Nebraska, December 2017.
Department of the Interior —
This data set is a georeferenced mosaic of high-resolution, aerial thermal infrared (TIR) images of the lower Elkhorn River, Nebraska, presented as a gridded (raster)... -
Federal
Shenandoah National Park 1979-2022 Water Quality Data from Seven Projects as of 2025-03-28
Department of the Interior —
This data package was created 2025-03-28 21:29:09 by NPSTORET and includes selected project, location, and result data. Data contained in the Shenandoah National Park... -
Federal
Base-flow index grid for the conterminous United States
Department of the Interior —
This 1-kilometer raster (grid) dataset for the conterminous United States was created by i nterpolating base-flow index (BFI) values estimated at U.S. Geological... -
Federal
Lower Salinas Valley Hydrologic Models: Agricultural and Municipal Water Supply and Groundwater Data (ver. 2.1, August 2024)
Department of the Interior —
This digital dataset contains the datasets related to agricultural and municipal water supply and groundwater in the Lower Salinas Valley Hydrologic Models (LSVHM),... -
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
Velocity and water-quality surveys in the Ohio River between Markland Locks and Dam and McAlpine Locks and Dam, Kentucky and Indiana, October 27–November 4, 2016, and June 26–29, 2017
Department of the Interior —
Velocity and water-quality surveys were completed along an approximately 71-mile reach of the Ohio River between Markland Locks and Dam (river mile 531.5) and... -
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
Los Angeles Monthly BCMv8
Department of the Interior —
This data release contains monthly 270-meter gridded Basin Characterization Model (BCMv8) climate inputs and hydrologic outputs for Los Angeles (LA). Gridded climate... -
Federal
A network of 31 Upper Missouri River Basin naturalized water-year (Oct-Sep) streamflow reconstructions spanning years 800-1998 CE
Department of the Interior —
Paleohydrologic records provide a valuable perspective on the variability of streamflow and hydroclimate that is critical for water resource planning and placing... -
Federal
Exploring the exceptional performance of a deep learning stream temperature model and the value of streamflow data: 2 Observations
Department of the Interior —
This data release component contains mean daily stream water temperature observations, retrieved from the USGS National Water Information System (NWIS) and used to... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Model output data set (gwava-dw_out)
Department of the Interior —
This data set represents predicted nitrate concentration in ground water used for drinking, in milligrams per liter, in the conterminous United States, and was... -
Federal
Hydro Flow Metrics Percent Change 2040 (Map Service)
Department of Agriculture —
This map service represents the percent change in modeled streamflow metrics between the historical (1977-2006) and mid-century (2030-2059) time periods in the United... -
Federal
Hydro Flow Metrics Absolute Change 2080 (Map Service)
Department of Agriculture —
This map service represents the absolute change in modeled streamflow metrics between the historical (1977-2006) and end-of-century (2070-2099) time periods in the...