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Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA 81 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... -
Federal
Map Layer: Advanced Hydrologic Prediction Service (AHPS) River Gauge Current and Forecast Flood Stages
National Oceanic and Atmospheric Administration, Department of Commerce —
This layer shows the locations of the United States Geological Survey sampling stations that are equipped with telemetry to transmit data on streamflow, temperature,... -
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... -
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
A national harmonized dataset of discrete chlorophyll from lakes and streams (2005-2022)
Department of the Interior —
This data release contains a 17-year record (2005-2022) of discrete chlorophyll data from inland waters, collected from across the nation and territories. These data... -
State
6-digit HU (Basin) 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
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
8-digit HU (Subbasin) 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
Puerto Rico ESI and RSI: ESI (Environmental Sensitivity Index Shoreline Types) / RSI (Reach Sensitivity Index River and Stream Types)
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set comprises the Environmental Sensitivity Index (ESI) and Reach Sensitivity Index (RSI) data for Puerto Rico. ESI data characterize estuarine environments... -
Federal
Offshore marine place names and undersea feature places names official listing from 2015-12 to 2017-07 (NCEI Accession 0176604)
National Oceanic and Atmospheric Administration, Department of Commerce —
This data package contains both the Marine Place Names as well as the Undersea Feature Places Names as published by MarineCadastre.gov. The Marine Place Names were... -
Federal
USGS National Hydrography Dataset (NHD) Stewardship Plan Objectives for FY20 from the The National Map - National Geospatial Data Asset (NGDA) National Hydrography Dataset (NHD) NGDA
U.S. Geological Survey, Department of the Interior —
U.S. Geological Survey, Department of the Interior - The annual National Hydrography Dataset (NHD) stewardship plan is to maintain hydrography data in the NHD over... -
Federal
USGS Watershed Boundary Dataset (WBD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) Watershed Boundary Dataset (WBD) NGDA
U.S. Geological Survey, Department of the Interior —
The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics.... -
Federal
Hydrographic and Impairment Statistics Database: SAJU
Department of the Interior —
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in... -
Federal
Annotated bibliography of grazing effects on amphibians and their habitats (ver. 2.0, February 2022)
Department of the Interior —
This database contains literature citations and associated summaries pertaining to livestock grazing effects on amphibians and their habitats, with an emphasis on the... -
State
Watershed Boundary Dataset (WBD) (2 through 12-digit hydrologic unit) 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
4-digit HU (Subregion) 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
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...