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#1 Federal
Map of Arsenic concentrations in groundwater of the United States
- Organization: Department of the Interior
- Dataset Last Updated: November 17, 2020 at 12:00 AM
The map graphic image at https://www.sciencebase.gov/catalog/file/get/63140561d34e36012efa2b7f?name=arsenic_map.png illustrates arsenic values, in micrograms per liter, for groundwater samples...
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Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: July 13, 2026 at 07:26 PM

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