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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
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... -
Federal
Klamath Basin Restoration Agreement Off-Project Water Program Evapotranspiration Map for May 2004
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
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 for the Wabash River at Memorial Bridge at Vincennes, Indiana Flood Inundation
Department of the Interior —
Digital flood-inundation maps for a 10.2-mile reach of the Wabash River at Memorial Bridge at Vincennes, Indiana, were created by the U.S. Geological Survey (USGS) in... -
Federal
Shapefiles for the Wabash River at Memorial Bridge at Vincennes, Indiana
Department of the Interior —
Digital flood-inundation maps for a 10.2-mile reach of the Wabash River at Memorial Bridge at Vincennes, Indiana, were created by the U.S. Geological Survey (USGS) in... -
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
Depth grids of the flood-inundation maps for the White River at Noblesville, Indiana
Department of the Interior —
Digital flood-inundation maps for a 7.5-mile reach of the White River at Noblesville, Indiana, were created by the U.S. Geological Survey (USGS) in cooperation with... -
Federal
Daily values calculated using 15-minute continuously recorded hydrologic and physical parameters at U.S. Geological Survey (USGS) streamgages in Independence, MO, 2010 through 2016
Department of the Interior —
The dataset contains daily values of hydrologic and physical parameters. These daily values were calculated from continuous (15-minute) data collected from continuous... -
Federal
Huron River near Hamburg, Michigan, flood-inundation model and field data
Department of the Interior —
Digital flood-inundation maps for an 8-mile (mi) reach of the Huron River from downstream of Rickett Road to Strawberry Lake, Michigan, were created by the U.S.... -
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
Streamflow gain/loss in the Republican River Basin, Nebraska, March 1989
Department of the Interior —
This arc and point data set contains streamflow measurement sites and reaches indicating streamflow gain or loss under base-flow conditions along the Republican River... -
Federal
Depth grids of flood-inundation maps for 14.8 miles of the Little and Big Papillion Creeks in Omaha, Nebraska, 2023
Department of the Interior —
These datasets are raster files that represent water depths associated with each flood inundation boundary for two digital flood-inundation map libraries for 14.8... -
Federal
Water-Quality Characteristics, Calculated Nitrogen Loads, and Characteristics of Simulated Recharge Areas for Selected Stream Reaches on Cape Cod, Massachusetts, 2018-2021
Department of the Interior —
This data release presents water-quality and streamflow data from 12 streams on Cape Cod, Massachusetts, which were used to identify potential land areas that are... -
Federal
Benthic macroinvertebrate, fish, and physical habitat data for selected streams in Reston, VA
Department of the Interior —
The United States Geological Survey Virginia and West Virginia Water Science Center (USGS VA-WV-WSC) and Fairfax County assembled this data release in support of... -
Federal
Data for an Erosion and Flood Vulnerability Assessment of Streams and Stream Crossings at Acadia National Park, Maine
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the National Park Service (NPS), has compiled Geographic Information Systems (GIS) datasets to assess the... -
Federal
Missouri Stream Conservation and Connectivity Prioritization Tool: Improving and Expanding Existing Conservation Networks - North Missouri Drainages
Department of the Interior —
The Missouri Stream Conservation and Connectivity Prioritization Tool contains data tabulating costs to traverse between 10,357 origin and 50,135 destination stream... -
State
Drainage Basin Lines
State of Connecticut —
See full Data Guide here. Drainage Basin Set: Connecticut Drainage Basins is 1:24,000-scale, polygon and line feature data that define natural drainage areas in... -
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... -
Federal
Water-quality Data
Department of the Interior —
In 2015-2016, physicochemical properties and chemical characteristics of stream water, bed sediment, groundwater, and soil were determined in watersheds located...