-
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA 98 recent views
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... -
State
Ground Water - Water Quality Results
State of California —
Groundwater quality data and related groundwater well information available on the page was queried from the GAMA Groundwater information system (GAMA GIS). Data... -
Federal
Polygons of global undersea features for geographic searches
Department of the Interior —
A shapefile of 311 undersea features from all major oceans and seas has been created as an aid for retrieving georeferenced information resources. Version 1.1 of the... -
Federal
USGS Hydrography (NHD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) National Hydrography Dataset (NHD) NGDA
U.S. Geological Survey, Department of the Interior —
The USGS National Hydrography Dataset (NHD) service from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information about... -
Federal
Powder River Basin boundary, 1999 Coal Resource Assessment (prbbndg.shp)
Department of the Interior —
This ArcView shapefile contains a polygon representing the boundary of the Powder River Basin based on a generalized contact of Cretaceous and Tertiary rocks. This... -
State
Sustainable Groundwater Management Act (SGMA) Water Year Type Dataset
State of California —
The following dataset has been developed to assist the Groundwater Sustainability Agencies (GSAs) in their water budget development per the Groundwater Sustainability... -
State
Regional Drainage Basin Set
State of Connecticut —
See full Data Guide here. Regional Drainage Basin Set: Connecticut Regional Drainage Basins is 1:24,000-scale, polygon and line feature data that define Regional... -
Federal
SAWSC PeakFQ input and output files for at-site flood-frequency statistics
Department of the Interior —
Reliable estimates of the magnitude and frequency of floods are an important part of the framework for hydraulic-structure design and flood-plain management in... -
Federal
Watershed Boundary Dataset; 12-Digit Watersheds Dissolved to 8-Digit Watersheds
Department of the Interior —
This dataset is the digital hydrologic unit boundary layer for the 8-digit subwatershed boundaries for the conterminous United States. This dataset is intended to be... -
Federal
Hydrology and climate elements on the Rio Grande/Bravo basin
Department of the Interior —
This is one of five general categories that contain the water related elements of the Rio Grande/Bravo basin. This category includes some of hydrologic and climatic... -
Federal
Recent historical and projected (years 2006–99) areas (km2) of managed, flooded habitats used by waterbirds overwintering in Central Valley, California basins for 17 climate, urbanization, and water management scenarios.
Department of the Interior —
The dataset accompanies Figures 2–4 of Matchett and Fleskes (2018) and therein the subject data are referenced as "Table A1". Data summarize peak abundance (km2) of... -
Federal
Selected aquifer-test and specific-capacity data for wells in the Lost Creek Designated Ground Water Basin, Weld, Adams, and Arapahoe Counties, Colorado
Department of the Interior —
This point dataset contains estimates of aquifer transmissivity and hydraulic conductivity at selected well locations in the Lost Creek Designated Ground Water Basin,... -
Federal
Drainage Basins used for Development of the Watershed Regressions for Pesticides (WARP) Model, 2012
Department of the Interior —
This data set contains 204 drainage basin boundaries for U.S. Geological Survey (USGS) stream sites analyzed in the Watershed Regressions for Pesticides (WARP) model.... -
Federal
Green River Basin boundary, 1999 National Coal Resource Assessment (grbbndg.shp)
Department of the Interior —
This ArcView shapefile contains a polygon representation of the Green River Basin boundary. This boundary is a part of the National Coal Resource Assessment of the... -
Federal
1:24,000-scale hydrographic areas, middle Carson River basin, Nevada
Department of the Interior —
This data release consists of 1:24,000-scale polylines and polygons representing hydrographic areas for the middle Carson River basin, Nevada. -
State
12-digit HU (Subwatershed) NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
Federal
National-Scale Geophysical, Geologic, and Mineral Resource Data and Grids for the United States, Canada, and Australia: Data in Support of the Tri-National Critical Minerals Mapping Initiative
Department of the Interior —
National-scale geologic, geophysical, and mineral resource raster and vector data covering the United States, Canada, and Australia are provided in this data release.... -
State
Watershed Boundary Dataset (WBD)
State of California —
The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics.... -
State
BayStat Solutions Reporting - Maryland Dept. of the Environment 2003 - 2014
State of Maryland —
Chesapeake Bay restoration solutions, Best Management Practices (BMPs), progress reporting by tributary basin.