التفاصيل البيبلوغرافية
| العنوان: |
Groundwater-Quality and Select Quality-Control Data from the National Water-Quality Assessment Project, January 2017 through December 2019. |
| المؤلفون: |
Kingsbury, James A., Bexfield, Laura M., Arnold, Terri, Musgrove, MaryLynn, Erickson, Melinda L., Degnan, James R., Tesoriero, Anthony J., Lindsey, Bruce D., Belitz, Kenneth |
| المصدر: |
Data Series - U. S. Geological Survey; 2021, Issue 1136, p1-97, 97p |
| مصطلحات موضوعية: |
GROUNDWATER quality, WATER quality, WATER quality management, WATER quality policy |
| الشركة/الكيان: |
GEOLOGICAL Survey (U.S.) |
| مستخلص: |
Groundwater-quality environmental 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 this report. The data were collected from six types of well networks: principal aquifer study networks, which are used to assess the quality of groundwater used for public water supply; land-use study networks, which are used to assess land-use effects on shallow groundwater quality; major aquifer study networks, which are used to assess the quality of groundwater used for domestic supply; enhanced trends networks, which are used to evaluate the time scales during which groundwater quality changes; vertical flow-path study networks, which are used to evaluate changes in groundwater quality from shallow to deeper depths; and modeling support studies, which are used to provide data to support groundwater modeling. Groundwater samples were analyzed for many water-quality indicators and constituents, including major ions, nutrients, trace elements, volatile organic compounds, pesticides, radionuclides, microbiological indicators, and some constituents of special interest (arsenic speciation, hexavalent chromium [chromium (VI)], and perchlorate). These groundwater-quality data, along with data from quality-control samples, are tabulated in this report and in an associated data release. Data for microbiological indicators for samples collected in 2016 are included in the companion data release. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
