• Organization: Department of the Interior
• Updated: 20230227

This data release includes water-quality data collected at 38 sites in central and eastern Massachusetts from April 2018 through May 2019 by the U.S. Geological Survey to support the...

• xml
• xml

• Organization: U.S. Environmental Protection Agency
• Updated: 2018-06-01

EPA Draft Method C QPCR cycle threshold (Ct) measurements of standardized reference materials as described in D-EMMD-MEB-025-QAPP-01 and Journal article. This dataset is associated with the...

• html

• Organization: Department of the Interior
• Updated: 20230216

This dataset contains historical data on concentrations of total and dissolved organic carbon in Massachusetts streams from the U.S. Geological Survey National Water Information System (NWIS)...

• xml
• xml

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-10-03T00:00:00.000+00:00

These raw data have not been subjected to the National Ocean Service's quality control or quality assurance procedures and do not meet the criteria and standards of official National Ocean Service...

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• html
• html

• Organization: U.S. Environmental Protection Agency
• Updated: 2024-02-06

The Great Lakes Initiative Toxicity Data Clearinghouse is a central location for information on criteria, toxicity data, exposure parameters and other supporting documents used in developing water...

• Organization: Department of Homeland Security
• Updated: 2022-11-07T15:52:41-05:00

Displays Documented Authoritative and/or Trusted data assets and the relevant associated Datasets. Published data assets that are considered documented have met the appropriate criteria. An...

• Organization: Department of the Interior
• Updated: 20210615

These are shapefiles and ARC/INFO coverages of coal fields and coal-bearing formations in the Colorado Plateau. These GIS layers were created by combining numerous ARC/INFO coverages created for...

• xml
• xml

• Organization: Department of the Interior
• Updated: 20200827

This dataset contains the lithologic class and topographic position index information and quality-assurance and quality-control data not available in the online National Water Information System...

• xml
• xml

• Organization: Department of the Interior
• Updated: 20240627

The U.S. Geological Survey National Real-Time Water Quality (NRTWQ) Data Service (https://nrtwq.usgs.gov) provides computed concentrations and loads for sediment, nutrients, bacteria, and many...

• xml
• xml

• Organization: Department of the Interior
• Updated: 20200903

This dataset contains the lithologic class and topographic position index information and quality-assurance and quality-control data not available in the online National Water Information System...

• xml
• xml

• Organization: City of Sioux Falls
• Updated: 2025-04-17T13:07:50.000Z

The Big Sioux River has the following designated beneficial uses established by the State of South Dakota: Domestic Water Supply, Warm water Semi-permanent Fish Life, Warm water Marginal Fish...

• csv
• geojson
• kml
• zip
• web page
• arcgis geoservices rest api

• Organization: Department of the Interior
• Updated: 2025-03-19

This data set is a comma-separated values (CSV) file containing continuous hourly water quality observations of the Indian River in Sitka National Historical Park for monitoring years 2010-2022....

• xml
• csv

• Organization: Department of the Interior
• Updated: 2025-05-19

This data set is a comma-separated values (CSV) file containing continuous hourly water quality observations of the Salmon River in Glacier Bay National Park and Preserve for monitoring years...

• xml
• csv

• Organization: Department of the Interior
• Updated: 2022-05-19

This data set is a comma-separated values (CSV) file containing continuous hourly water quality observations of the Salmon River in Glacier Bay National Park and Preserve for monitoring years...

• zip

• Organization: Department of Energy
• Updated: 2021-10-11T00:00:00Z

**Overview** These data provide vertical mean profiles of wind and direction (30 min time step and 10 m range gate). **Data Details** Data averaged over an interval of 30 minutes. Wind...

• b0

• Organization: Department of the Interior
• Updated: 2025-05-09

This data set is a comma-separated values (CSV) file containing continuous hourly water quality observations of the Taiya River in Klondike Gold Rush National Historical Park for monitoring years...

• xml
• csv

• Organization: Department of the Interior
• Updated: 2025-03-19

This data set is a comma-separated values (CSV) file containing continuous hourly water quality observations of the Salmon River in Glacier Bay National Park and Preserve for monitoring years...

• xml
• csv

• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background Knowledge of the accuracy of chest radiograph findings in acute lower respiratory infection in children is important when making clinical decisions. ...

• html

• Organization: Department of the Interior
• Updated: 2025-03-20

This data set is a comma-separated values (CSV) file containing continuous hourly water quality observations of the Taiya River in Klondike Gold Rush National Historical Park for monitoring years...

• xml
• csv

• Organization: Department of the Interior
• Updated: 2025-05-19

This data set is a comma-separated values (CSV) file containing continuous hourly water quality observations of the Indian River in Sitka National Historical Park for monitoring years 2010-2024....

• xml
• csv