-
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA
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 Centers for Coastal Ocean Science (NCCOS) long-term monitoring: Regional Ecological Assessments and National Benthic Inventory (NCEI Accession 0202842)
National Oceanic and Atmospheric Administration, Department of Commerce —
The NCCOS Regional Ecological Assessments (REA) and NOAA National Benthic Inventory (NBI) include observations of water quality, sediment quality, fish and shellfish... -
Federal
ATTAINS Assessments
U.S. Environmental Protection Agency —
State water quality assessment decisions reported to EPA under the Integrated Report (IR), and Clean Water Act Sections 303(d) and 305(b). This service provides... -
Federal
Elevation of marsh units in Massachusetts salt marshes
Department of the Interior —
This data release contains coastal wetland synthesis products for Massachusetts, developed in collaboration with the Massachusetts Office of Coastal Zone Management.... -
Federal
Hydrologic Data Sites for Iron County, Utah
Department of the Interior —
This map shows the USGS (United States Geologic Survey), NWIS (National Water Inventory System) Hydrologic Data Sites for Iron County, Utah. The scope and purpose of... -
Federal
Delaware River and Upper Bay Sediment Data
National Oceanic and Atmospheric Administration, Department of Commerce —
The area of coverage consists of 192 square miles of benthic habitat mapped from 2005 to 2007 in the Delaware River and Upper Delaware Bay. The bottom sediment map... -
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
High Marsh at Broadkill, DE, Lower Delaware Bay, Intermediate Sea Level Rise Scenario, “Protect Developed Dry Land” model protection scenario, EPA ORD NCEA
U.S. Environmental Protection Agency —
This raster GIS dataset contains 5-meter-resolution cells depicting the areas of HIGH marsh gain (value=1), lost (value=-1) and remaining (no change; value=0). High... -
Federal
Improved mapping of coastal salt marsh habitat change at Barnegat Bay (NJ, USA) using object-based image analysis of high-resolution aerial imagery_data
U.S. Environmental Protection Agency —
Data for the classification of coastal land-cover of Barnegat Bay (Fig. 1) were downloaded from the USGS Earth Resources Observation and Science (EROS) Center via the... -
State
Impaired 2006 River Lake Estuary Set
State of Connecticut —
Connecticut 303(d) Impaired Waters 2006 is a subset of Connecticut 305(b) Assessed Waters 2006. If any one of the assigned designated uses is categorized as NOT... -
State
Single-beam bathymetric data near Tuntutuliak, Alaska, collected June 8, 2023
State of Alaska —
Single-beam bathymetric data near Tuntutuliak, Alaska, collected June 8, 2023, Raw Data File 2024-3, presents bathymetric data collected along the Kinak River near... -
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)
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
San Francisco Bay Water Quality Improvement Fund Major River and Tributary Lines, San Francisco Bay CA, 2019, U.S. EPA Region 9
U.S. Environmental Protection Agency —
This feature class contains 20 line features representing the major rivers and tributaries in the San Francisco Bay Area affected or potentially affected by projects... -
Federal
NCCOS Long-term Monitoring Project: Regional Ecological Assessments and National Benthic Inventory
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's National Centers for Coastal Ocean Science (NCCOS) works in partnership with other federal agencies and coastal states to conduct assessments of ecological... -
Federal
Hydrologic Data Sites for Washington County, Utah
Department of the Interior —
This map shows the USGS (United States Geologic Survey), NWIS (National Water Inventory System) Hydrologic Data Sites for Washington County, Utah. The scope and... -
State
Single-beam bathymetric data near Kongiganak, Alaska, collected June 6, 2023
State of Alaska —
Single-beam bathymetric data near Kongiganak, Alaska, collected June 6, 2023, Raw Data File 2024-4, presents bathymetric data collected along the Kongnignanohk River... -
State
NYSDEC_WaterbodyInventoryAndPriorityWaterbodiesListRiverStreamSegments_DataSet
State of New York —
The Waterbody Inventory/Priority Waterbodies List (WI/PWL) dataset is an inventory of the state's surface water quality. This dataset provides a summary of general... -
State
Impaired 2008 River Lake Estuary Set
State of Connecticut —
Connecticut 303(d) Impaired Waters 2008 is a subset of Connecticut 305(b) Assessed Waters 2008. If any one of the assigned designated uses is categorized as NOT... -
Federal
High Marsh at Reeds, NJ, Lower Delaware Bay, Intermediate Sea Level Rise Scenario, “Protect Developed Dry Land” model protection scenario, EPA ORD NCEA
U.S. Environmental Protection Agency —
This raster GIS dataset contains 5-meter-resolution cells depicting the areas of HIGH marsh gain (value=1), lost (value=-1) and remaining (no change; value=0). High... -
Federal
Low Marsh at Dennis, NJ, Lower Delaware Bay, Intermediate Sea Level Rise Scenario, “Protect Developed Dry Land” model protection scenario, EPA ORD NCEA
U.S. Environmental Protection Agency —
This raster GIS dataset contains 5-meter-resolution cells depicting the areas of LOW marsh gain, lost and remaining. Low marsh (LM) was defined as regularly flooded...