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University
New Mexico HUC-12 Boundaries - 2013
Earth Data Analysis Center, University of New Mexico —
This data set is a complete digital hydrologic unit boundary layer to the subwatershed (12-digit) 12th level for the State of New Mexico. This data set consists of... -
Federal
Species occurrence data from the Range-Wide Bull Trout eDNA Project
Department of Agriculture —
These data include 2015 - 2018 eDNA field sample points indicating lab results for presence or absence of bull trout. Sample sites are spaced at a 1 kilometer... -
State
16-digit HU 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
NorWeST stream temperature data summaries for the western U.S.
Department of Agriculture —
NorWeST is an interagency stream temperature database and model for the western United States containing data from over 20,000 unique stream locations. Temperature... -
Federal
Southern Great Plains 1997 (SGP97) Hydrology: United States Geological Survey (USGS) Stream Flow Data
Department of Agriculture —
The United States Geological Survey (USGS) stream flow dataset is one of various datasets provided for the Southern Great Plains 1997 (SGP97) project. This dataset... -
Federal
Forests to Faucets 2.0
Department of Agriculture —
Forests to Faucets 2.0 builds upon the national Forests to Faucets(2011) by updating base data and adding new threats including wildfire, invasive pests, and future... -
DC Watersheds
District of Columbia —
This dataset is a digital hydrologic unit boundary layer for the District of Columbia only - to the watershed (10-digit) 6th level at 1:24,000 scale. It is a clipped... -
State
MD iMAP: Maryland Watersheds - Federal Watersheds (HUC 11)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Hydrologic unit boundaries define the aerial extent of surface water... -
Federal
NorWeST Stream Temperatures 2040s (Feature Layer)
Department of Agriculture —
This layer represents modeled stream temperatures derived from the NorWeST point feature class (NorWest_TemperaturePoints). NorWeST summer stream temperature... -
Federal
Essential Fish Habitat, Pacific Salmon GIS Data
National Oceanic and Atmospheric Administration, Department of Commerce —
This file represents salmonid freshwater and estuarine Essential Fish Habitat (EFH) in the western United States. Congress, through the Magnuson-Stevens Act, defined... -
State
10-digit HU (Watershed) 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... -
State
MD iMAP: Maryland Stream Health - Stream Wader Sites volunteer collected
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The sample sites are color coded according to the Benthic Index of Biotic... -
Federal
Sediment Export to Nearshore Waters - Hawaii
National Oceanic and Atmospheric Administration, Department of Commerce —
This raster data layer represents sediment plumes originating from stream mouths and coastal pour points. The Integrated Valuation of Ecosystem Services and Tradeoffs... -
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
Land use and beach closure 2004-2013 in the United States
U.S. Environmental Protection Agency —
The dataset contains the beach closure data and land use information around each beach in 2006 and 2011 in the United States. The original data are created by EPA and... -
State
2-digit HU (Region) 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
Surface Drinking Water Importance - Forests on the Edge (Feature Layer)
Department of Agriculture —
Note: This is a large dataset. To download, go to ArcGIS Open Data Set and click the download button, and under additional resources select the shapefile or... -
State
HUC Watershed Line
State of Connecticut —
This data set is a digital hydrologic unit boundary layer that is at the Subwatershed (12-digit) level. The original data set was developed by delineating the... -
Federal
NorWeST Stream Temperatures 1993-2011 (Feature Layer)
Department of Agriculture —
This layer represents modeled stream temperatures derived from the NorWeST point feature class (NorWest_TemperaturePoints). NorWeST summer stream temperature...