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Federal
EnviroAtlas -- Cyanobacteria Index for the Continental United States
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... -
Wetland Inventory
District of Columbia —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate... -
Federal
Tribal Land Boundary Polygons, R6 and R9 U.S.-Mexico Border Region, 2021, U.S. Environmental Protection Agency
U.S. Environmental Protection Agency —
This polygon feature class contains the boundaries of tribes in the U.S. - Mexico Border region used by U.S. EPA Region 6 (R6) and U.S. EPA Region 9 (R9) for the... -
Federal
Humboldt Bay Benthic Habitats 2009 Aquatic Setting
National Oceanic and Atmospheric Administration, Department of Commerce —
Humboldt Bay is the largest estuary in California north of San Francisco Bay and represents a significant resource for the north coast region. Beginning in 2007 the... -
Federal
National Estuary Program Study Area Boundaries
U.S. Environmental Protection Agency —
There are 28 National Estuary Programs (NEPs) in the U.S.that implement habitat protection and restoration projects with their partners. This work takes place within... -
Federal
Submerged Aquatic Vegetation of Bogue Sound, North Carolina 1992 Biotic
National Oceanic and Atmospheric Administration, Department of Commerce —
During 1992, 1:20,000 scale aerial photography for Bogue Sound, North Carolina was collected as part of an effort to map submerged aquatic vegetation (SAV) in Coastal... -
Federal
Delaware Bay, Delaware Benthic Grabs 2007
National Oceanic and Atmospheric Administration, Department of Commerce —
The Coastal Program of Delaware's Division of Soil and Water conservation (DNREC), the University of Delaware, Partnership for the Delaware Estuary, and the New... -
Federal
Benthic grab data from June 1995 in the Lower Bay of New York/New Jersey Harbor
National Oceanic and Atmospheric Administration, Department of Commerce —
Benthic grab samples were collected using a Shipek grab at pre-determined locations in the harbor. Taxonomic enumerations and biological community parameters were... -
State
Impaired Estuary 2018
State of Connecticut —
Connecticut 303(d) Impaired Waters 2018 is a subset of Connecticut 305(b) Assessed Waters 2018. If any one of the assigned designated uses is categorized as NOT... -
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
Seagrass distribution off California
National Oceanic and Atmospheric Administration, Department of Commerce —
These data are a compilation of currently available seagrass GIS data sets for the west coast of the United States. These data have been compiled from seventeen... -
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... -
Wetland Types
District of Columbia —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate... -
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
High Marsh at Mispillion, 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
Total Marsh at Mispillion, 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 total marsh gain (value=1), lost (value=-1) and remaining (no change; value=0). Total... -
Federal
Sediment grab data from October 1994 in the Lower Bay of New York/New Jersey Harbor
National Oceanic and Atmospheric Administration, Department of Commerce —
Sediment grab samples were collected using a Shipek grab at pre-determined locations in the harbor. Grain size distributions and organic content were measured and... -
Federal
North Carolina Seagrass Submersed Rooted Vasculars 1990 Geoform
National Oceanic and Atmospheric Administration, Department of Commerce —
A GIS data set of polygon data interpreted from aerial photography taken by NOAA/NOS Photogrammetry Branch depicting areas of Aquatic Beds of Rooted Vascular Plants...