• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

The Ancillary Data component of the Indicators of Coastal Water Quality Collection includes a 5 arc-minute (approximately 9 x 9 km at the equator) sequence grid, grid cell centroids that relate to...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

The Change in Chlorophyll-a Concentrations 1998-2007 component of the Indicators of Coastal Water Quality Collection represents a tabular time series of the chlorophyll-a concentrations for each...

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• Organization: Department of the Interior
• Updated: 2025-12-03T00:00:00Z

This data package was created 2025-12-03 10:49:12 by NPSTORET and includes selected project, location, and result data. Data are from William J. Zolan and J. A. Marsh's (University of Guam Water...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17

The Annual Chlorophyll-a Concentrations component of the Indicators of Coastal Water Quality Collection consists of gridded satellite measurements of chlorophyll-a concentrations (in...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2024-04-10

This data set includes metrics of growth pertaining to Atlantic corals (Montastraea cavernosa and Stephanocoenia intersepta) exposed to fine-grained, sediment. Data also include bleaching...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2018-10-09

ABSTRACT Diatom data have been collected in large-scale biological assessments in the United States, such as the U.S. Environmental Protection Agency’s National Rivers and Streams Assessment...

• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

This dataset provides in situ measurements of water temperature (degrees C), salinity (PSU), turbidity (FNU), and chlorophyll-a fluorescence (RFU) in surface of the Atchafalaya River and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-03-19T00:00:00.000+00:00

This dataset contains raw tier 2 sampling data starting from 2011 for Texas coastal waters related to seagrasses. Parameters measured include chlorophyll a concentration, water depth, dissolved...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-07-01T00:00:00.000+00:00

This record provides physical, chemical, and pathogenic bacteria water quality metrics collected between February 2023 to January 2025 to provide reference data of nearshore and watershed water...

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• Organization: Department of the Interior
• Updated: 2025-01-29T00:00:00Z

This data release contains the concentration and quality-assurance results for inorganic constituents, organic compounds (volatile organic compounds [VOC], per- and polyfluoroalkyl substances...

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• Organization: Department of the Interior
• Updated: 2024-08-01T00:00:00Z

This digital dataset contains historical geochemical and other information for 266 samples of groundwater (GW) from 208 wells located within 3 miles of the Edison, Mountain View, and Ant Hill Oil...

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• Organization: Department of the Interior
• Updated: 2020-08-12T00:00:00Z

As part of the California State Water Resources Control Board’s Oil and Gas Regional Monitoring Program , the U.S. Geological Survey collected groundwater and quality-control (QC) samples during...

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• Organization: Department of the Interior
• Updated: 2023-04-07T00:00:00Z

This digital dataset contains historical geochemical and other information for 100 samples of groundwater from 71 wells located within 3 miles of the Poso Creek Oil Field in Kern County,...

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• Organization: Department of the Interior
• Updated: 2022-07-08T00:00:00Z

This digital dataset contains historical geochemical and other information for 45 samples of produced water from 38 sites in the Placerita and Newhall Oil Fields in Los Angeles County, southern...

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• Organization: Department of the Interior
• Updated: 2022-07-08T00:00:00Z

This digital dataset contains historical geochemical and other information for 580 samples of groundwater from 12 wells located within the Placerita and Newhall Oil Fields in Los Angeles County,...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2023-01-04

Mountaintop removal coal mining (MTR) has been a major source of landscape change in the Central Appalachians of the United States (US). Changes in stream hydrology, channel geomorphology and...

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• Organization: Department of the Interior
• Updated: 2024-08-01T00:00:00Z

This digital dataset contains historical geochemical and other information for 481 samples of produced water (PW) from 408 sites in the Edison, Mountain View, and Ant Hill Oil Fields in Kern...

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• Organization: Department of the Interior
• Updated: 2022-09-30T00:00:00Z

This digital dataset contains historical geochemical and other information for 89 samples of produced water from 84 sites in the Santa Maria Valley Oil Field in Santa Barbara County, California....

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• Organization: Department of the Interior
• Updated: 2022-08-10T00:00:00Z

These data represent surface water and bed sediment samples analyzed for a variety of organic compounds. The samples were collected in streams and rivers in the Chesapeake Bay watershed from...

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• Organization: Department of the Interior
• Updated: 2021-01-28T00:00:00Z

In cooperation with the California State Water Resources Control Board’s oil and gas Regional Monitoring Program, the U.S. Geological Survey collected and analyzed groundwater and associated...

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