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Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA 97 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
EnviroAtlas National Layers Master Web Service 18 recent views
U.S. Environmental Protection Agency —
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This web service includes... -
Federal
EnviroAtlas -- Cyanobacteria Index for the Continental United States 12 recent views
U.S. Environmental Protection Agency —
This dataset shows the temporal frequency and spatial extent of cyanobacteria cells in large, freshwater lakes and reservoirs across the continental United States... -
Federal
Estuarine Salinity Zones in US East Coast, Gulf of Mexico, and US West Coast from 1999-01-01 to 1999-12-31 (NCEI Accession 0127396) 11 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
These unprojected (geographic coordinates) 3-Zone Average Annual Salinity Digital Geographies are based on analysis of long-term salinity data for 147 estuaries of... -
Federal
Monterey Bay National Marine Sanctuary: Sanctuary Integrated Monitoring Network (SIMoN)
National Oceanic and Atmospheric Administration, Department of Commerce —
The Sanctuary Integrated Monitoring Network (SIMoN) is an integrated, long-term program that takes an ecosystem approach to identify and understand changes to 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
EnviroAtlas - Percent Agriculture on Hydric Soil for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains data on Agricultural Land Coverage on Hydric Soils for each Watershed Boundary Dataset (WBD) 12-Digit Hydrologic Unit Code (HUC-12)... -
Federal
LEAN-Corrected DEM for Suisun Marsh
Department of the Interior —
Lidar-derived digital elevation models often contain a vertical bias due to vegetation. In areas with tidal influence the amount of bias can be ecologically... -
Federal
EPA Facility Registry Service (FRS): NPDES
U.S. Environmental Protection Agency —
This web feature service contains location and facility identification information from EPA's Facility Registry Service (FRS) for the subset of facilities that link... -
Federal
Willapa Bay, Washington Benthic Habitats 1995 Biotic
National Oceanic and Atmospheric Administration, Department of Commerce —
In June 1995, the Columbia River Estuary Study Taskforce (CREST) acquired 295 true color aerial photographs (1:12,000) of Willapa Bay, Washington, from the State of... -
Federal
Using Estuary Data to Teach about Coastal Impacts of Climate Change - NERRS/NSC(NERRS Science Collaborative)
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Estuarine Research Reserve System has a proven track record of successfully transferring and translating reserve science to a broad suite of educators... -
Federal
Pharmaceuticals in the Environment, Information for Assessing Risk (PEiAR)
National Oceanic and Atmospheric Administration, Department of Commerce —
The database provides information on prescribed amounts, levels detected in aquatic environments, chemical structure, molecular weight, octanol-water partition... -
Federal
A deep learning model and associated data to support understanding and simulation of salinity dynamics in Delaware Bay
Department of the Interior —
Salinity dynamics in the Delaware Bay estuary are a critical water quality concern as elevated salinity can damage infrastructure and threaten drinking water... -
State
Impaired 2012 River Lake Estuary Set
State of Connecticut —
Connecticut 303(d) Impaired Waters 2012 is a subset of Connecticut 305(b) Assessed Waters 2012. If any one of the assigned designated uses is categorized as NOT... -
Federal
A subset of 2017 Louisiana Coastal Master Plan model output to estimate climate change mitigation potential of Louisiana’s coastal area
Department of the Interior —
A subset of the Louisiana's 2017 Coastal Master Plan model output was used to estimate the potential climate mitigation role of Louisiana’s coastal area. Model output... -
Federal
NERRS Boundaries Map Service Description
National Oceanic and Atmospheric Administration, Department of Commerce —
This layer represents the boundaries of all of the reserves in the National Estuarine Reserve System. -
Federal
Hydrologic Data Sites for Kane County, Utah
Department of the Interior —
This map shows the USGS (United States Geologic Survey), NWIS (National Water Inventory System) Hydrologic Data Sites for Kane County, Utah. The scope and purpose of... -
Federal
NOAA National Estuarine Research Reserve (NERR) System-wide Monitoring Program Meteorological, Water Quality and Nutrient/Pigment Data from 1994 to 2022 (NCEI Accession 0200366)
National Oceanic and Atmospheric Administration, Department of Commerce —
Meteorological dataset: Meteorological data provide information on atmospheric conditions that can affect water quality and biological and physical processes. Core... -
Federal
Benthic Habitats and Surficial Geology of Apalachicola Bay, Florida 2006 Geodatabase
National Oceanic and Atmospheric Administration, Department of Commerce —
These data were collected under a cooperative mapping program between the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration Office... -
Federal
2002 Long Island South Shore Estuary Benthic Habitat Polygon Data Set
National Oceanic and Atmospheric Administration, Department of Commerce —
In June 2002, 200 1:20,000 scale conventional-color metric film diapositives for Long Island, New York were collected as part of an effort to map submerged aquatic...