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Found 3 datasets matching filters. (clear all filters)

#1 Federal
Datasets from Groundwater-Quality and Select Quality-Control Data from the National Water-Quality Assessment Project, January through December 2016, and Previously Unpublished Data from 2013 to 2015
- Organization: Department of the Interior
- Dataset Last Updated: August 13, 2020 at 12:00 AM
Groundwater-quality data were collected from 648 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality Program and are included in...
- xml
- xml
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 08:35 PM
#2 Federal
Datasets of Groundwater-Quality and Select Quality-Control Data from the National Water-Quality Assessment Project, January 2017 through December 2019 (ver. 1.1, January 2021)
- Organization: Department of the Interior
- Dataset Last Updated: January 29, 2021 at 12:00 AM
Groundwater-quality data were collected from 983 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality Program and are included in...
- xml
- xml
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 07:55 PM
#3 Federal
Select Groundwater-Quality and Quality-Control Data from the National Water-Quality Assessment Project 2019 to Present (ver. 4.0, April 2025)
- Organization: Department of the Interior
- Dataset Last Updated: April 29, 2025 at 12:00 AM
Groundwater samples were collected and analyzed from 1,015 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality Program and the...
- xml
- xml
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:34 PM

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Datasets from Groundwater-Quality and Select Quality-Control Data from the National Water-Quality Assessment Project, January through December 2016, and Previously Unpublished Data from 2013 to 2015

Datasets of Groundwater-Quality and Select Quality-Control Data from the National Water-Quality Assessment Project, January 2017 through December 2019 (ver. 1.1, January 2021)

Select Groundwater-Quality and Quality-Control Data from the National Water-Quality Assessment Project 2019 to Present (ver. 4.0, April 2025)