Catalog - Data.gov

Found 43 datasets matching "EARTH SCIENCE > Hydrosphere > Water Quality > Contaminants".

Federal
Windward Community College Water Quality Assessment Project March-June 2004 on Windward Oahu Beaches (NODC Accession 0002501)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-01-06T00:00:00.000+00:00
Measurements of water quality parameters were taken by Windward Community College faculty and students at seven sites along the Windward Oahu coast from March - June 2004. Parameters include...
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Search relevance: 55.21 | Views last month: 0
Federal
State of Hawaii, Department of Health, Clean Water Branch Special Surveys for Bellow Beach, Oahu, Hawaii 1992-1999 (NODC Accession 0014264)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-01-06T00:00:00.000+00:00
The Monitoring Section of the State of Hawaii, Department of Health, Clean Water Branch collected water quality samples at six sites near the mouth of streams and from the surf line along Bellows...
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Search relevance: 52.60 | Views last month: 0
Federal
Data from: Long-Term Agroecosystem Research in the Central Mississippi River Basin: Goodwater Creek Experimental Watershed and Regional Herbicide Water Quality Data
- Organization: Department of Agriculture
- Updated: 2025-11-22
The GCEW herbicide data were collected from 1991-2010, and are documented at plot, field, and watershed scales. Atrazine concentrations in Goodwater Creek Experimental Watershed (GCEW) were shown...
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Search relevance: 50.82 | Views last month: 1
Federal
NCCOS Assessment: Measurement of Turbidity and Nutrients in Three Rivers that Drain to the Achang Reef Flat from Manell Watershed, Guam, from 2016-12-01 to 2018-12-31 (NCEI Accession 0204837)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-10-22T00:00:00.000+00:00
This dataset contains results from the monitoring of nutrients and turbidity in three rivers in the Manell watershed in southern Guam, which drain to the Achang Reef Flat Marine Preserve. The...
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Search relevance: 47.33 | Views last month: 0
Federal
Two 24-hour Studies of Water Quality in the Ala Wai Canal during March and July, 1994 for the Mamala Bay Study, Pollutant Source Identification Project MB-3, (NODC Accession 0001188)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-03-29T00:00:00.000+00:00
This dataset focuses on studies of water quality in the Ala Wai Canal in order to determine its role of point and non point source disharge into Mamala Bay. The Pollutant Source Identification...
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Search relevance: 46.32 | Views last month: 0
Federal
National Fish Habitat Action Plan (NFHAP) - Coastal Spatial Framework and Coastal Indicator Data
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2010-01-01T00:00:00.000+00:00
The NFHAP Coastal Spatial Framework and Indicator Datasets consist of a geospatial base layer developed in ArcGIS, and associated data fields joined to the spatial framework. The Coastal Spatial...
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Search relevance: 45.67 | Views last month: 0
Federal
NCCOS Assessment: Quantification of Sediment Contaminants Before and After Port Everglades, Florida Dredging 2020-11-15 to 2021-03-16 (NCEI Accession 0282807)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-09-27T00:00:00.000+00:00
This dataset represents a two time sediment sampling effort, occurring before and after the dredging project at Port Everglades. Samples were taken before dredging (sampling on 11.15.20) and after...
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Search relevance: 44.27 | Views last month: 0
Federal
National Status and Trends: Bioeffects Program - Southwest Puerto Rico Chemical Contaminant Assessment Summary
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2008-05-23T00:00:00.000+00:00
The purpose of the project was to characterize the extent and magnitude of chemical contamination in southwest Puerto Rico, as part of a larger effort to link coral condition with chemical...
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Search relevance: 43.26 | Views last month: 0
Federal
Map Layer: Karenia brevis Cell Counts
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2014-08-18T00:00:00.000+00:00
This dataset contains "Karenia brevis" data from Texas, Mississippi, Alabama, and Florida, as well as data along the Florida Shelf in the Gulf of Mexico and along the eastern coast of Florida in...
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Search relevance: 40.26 | Views last month: 0
Federal
NCCOS Assessment: Chemical contaminants in the sediments in the St. Croix East End Marine Park (STXEEMP): Organic and inorganic chemical contaminants in sediments from STXEEMP, St. Croix, 2021-03-11 to 2021-06-04 (NCEI Accession 0306532)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-08-01T00:00:00.000+00:00
This dataset contains results from the analysis of sediments for chemical contaminants including organic contaminants like hydrocarbons and pesticides, and inorganic contaminants like metals,...
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Search relevance: 39.52 | Views last month: 0
Federal
Perfluorooctanoic acid (PFOA) and Perfluorooctanesulfonic acid (PFOS) measured in surface water samples in the Saginaw Bay region of Lake Huron from 2021-08-02 to 2022-05-12 (NCEI Accession 0285666)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-12-12T00:00:00.000+00:00
Surface water sampling of the tributaries of the Saginaw Bay region of Lake Huron was conducted in August 2021 and May 2022 to measure PFOA and PFOS concentrations. The rivers sampled were the...
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Search relevance: 39.17 | Views last month: 0
Federal
Sewage pollution source tracking at Puako and other coastal waters of South Kohala, Hawaii Island, 2007-07-31 to 2017-09-03 (NCEI Accession 0186217)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-03-27T00:00:00.000+00:00
This data set contains sewage pollution data in the form of in situ measurements and deductions produced in the laboratory from in field samples. The original files as provided to the National...
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Search relevance: 38.96 | Views last month: 0
Federal
NCCOS Assessment: Chemical contaminants data from the Faga’alu Bay and Watershed, American Samoa before and after best management practices from 2014-01-18 to 2022-04-06 (NCEI Accession 0302885)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-04-16T00:00:00.000+00:00
This dataset represents a “before and after” sediment sampling effort from Faga’alu Bay and watershed, American Samoa, to evaluate the effectiveness of best management practices at a quarry site. ...
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Search relevance: 35.98 | Views last month: 0
Federal
NCCOS Assessment: Assessing Land Based Sources of Pollution in Tinian, Commonwealth of the Northern Mariana Islands, from 2013-08-27 to 2013-08-30 (NCEI Accession 0241439)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-10-06T00:00:00.000+00:00
This tabular dataset is the result of field sampling of coral tissues (Pocillopora damicornis) and subsequent laboratory chemical analysis for pollutant levels in Tinian, Commonwealth of the...
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Search relevance: 32.20 | Views last month: 0
Federal
Sediment Monitoring and Benthic Faunal Sampling Adjacent to the Barbers Point Ocean Outfall, Oahu, Hawaii, 1986-2010 (NODC Accession 9900098)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-01-06T00:00:00.000+00:00
Benthic fauna and sediment in the vicinity of the Barbers Point (Honouliuli) ocean outfall were sampled from 1986-2010. To assess the environmental quality, sediment grain size and sediment...
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Search relevance: 31.98 | Views last month: 0
Federal
Waianae Ecological Characterization Oahu, Hawaii 2004
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2004-01-01T00:00:00.000+00:00
The Waianae Ecological Characterization is a digital synthesis of historical and current physical, ecological, and cultural information about the Waianae moku, which is located on the leeward...
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Search relevance: 31.05 | Views last month: 0
Federal
Reef community structure, Sand Island, Oahu HI, (NODC Accession 0000177)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1998-12-31T00:00:00.000+00:00
These reports provide the results of nine years (1990-98) of an annual quantitative monitoring of shallow marine communities inshore of the Sand Island Ocean Outfall, Oahu, Hawaii. This monitoring...
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Search relevance: 30.86 | Views last month: 0
Federal
Human Use data for the Deepwater Horizon Response and Assessment in the Gulf of Mexico, dating from 2014-11-21 to 2015-05-21
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-11-01T00:00:00.000+00:00
These Human Use data were gathered and utilized during the Response and Assessment phases of the Deepwater Horizon oil spill in the Gulf of Mexico. These data are for the economic activity related...
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Search relevance: 30.74 | Views last month: 0
Federal
Oyster data for the Deepwater Horizon Response and Assessment in the Gulf of Mexico, dating from 2003-06-18 to 2015-12-04
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-11-01T00:00:00.000+00:00
These Oyster data were gathered and utilized during the Response and Assessment phases of the Deepwater Horizon oil spill in the Gulf of Mexico. These data are for the American or Eastern oysters...
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Search relevance: 30.72 | Views last month: 0
Federal
Nearshore Sediment and Water data for the Deepwater Horizon Response and Assessment in the Gulf of Mexico, dating from 2010-06-21 to 2011-03-24
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-11-01T00:00:00.000+00:00
These Nearshore Sediment and Water data were gathered and utilized during the Response and Assessment phases of the Deepwater Horizon oil spill in the Gulf of Mexico. These data are for the soil...
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Search relevance: 30.66 | Views last month: 0

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