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#1 Federal
Environmental and Quality-Control Data for Per- and Polyfluoroalkyl Substances (PFAS) Measured in Selected Rivers and Streams in Massachusetts, 2020 (ver. 2.0, May 2023)
- Organization: Department of the Interior
- Dataset Last Updated: July 13, 2023 at 12:00 AM
This data release includes concentrations of 24 per- and polyfluoroalkyl substances (PFAS) and physical properties of water-quality samples collected by the U.S. Geological Survey (USGS) at 64...
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Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 05:01 AM
#2 Federal
NOAA's Coastal Protection and Restoration Division: Watershed Database and Mapping Projects
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Dataset Last Updated: January 01, 2004 at 12:00 AM
Protection and restoration of coastal watersheds requires the synthesis of complex environmental issues. Contaminated site remediation, dredging and disposal of contaminated sediments, and...
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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 02, 2026 at 04:59 PM

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