Found 141 datasets matching "National Water-Quality Assessment project".
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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...
Search relevance: 171.51 | Views last month: 0 -
This data release includes tables and plots of results for pesticide compounds (pesticides and degradates) analyzed in groundwater samples collected by the USGS National Water-Quality Assessment...
Search relevance: 169.00 | Views last month: 0 -
This data set includes results for hormone and pharmaceutical compounds analyzed in environmental and quality-control samples collected by the USGS National Water-Quality Assessment Project during...
Search relevance: 168.34 | Views last month: 0 -
Replicate water-quality samples are collected and prepared in the field and analyzed in the laboratory in identical ways so that they are considered to be the same in composition and analysis...
Search relevance: 162.15 | Views last month: 0 -
Groundwater-quality data were collected from 748 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality Program from May 2012 through...
Search relevance: 161.54 | Views last month: 0 -
This data set includes sample information and results for third-party performance assessment samples analyzed for hormones and pharmaceuticals during the same general time period as environmental...
Search relevance: 156.11 | Views last month: 0 -
This data set includes results for hormone and pharmaceutical compounds analyzed from 2012 through 2016 in laboratory quality-control samples that are associated with environmental samples...
Search relevance: 153.32 | Views last month: 0 -
Groundwater-quality data were collected from 502 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality Program and are included in...
Search relevance: 147.91 | Views last month: 0 -
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...
Search relevance: 142.37 | Views last month: 0 -
Groundwater-quality data were collected from 559 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality Program from January through...
Search relevance: 142.25 | Views last month: 0 -
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...
Search relevance: 136.22 | Views last month: 0 -
Water quality tabular dataset provided by the USGS National Water Quality Laboratory in Denver, Colorado.
Search relevance: 123.10 | Views last month: 0 -
Water quality tabular dataset provided by the USGS National Water Quality Laboratory in Denver, Colorado.
Search relevance: 123.10 | Views last month: 0 -
Water quality tabular dataset provided by the USGS National Water Quality Laboratory in Denver, Colorado.
Search relevance: 122.79 | Views last month: 0 -
Water quality tabular dataset provided by the USGS National Water Quality Laboratory in Denver, Colorado.
Search relevance: 122.79 | Views last month: 0 -
Water quality tabular dataset provided by the USGS National Water Quality Laboratory in Denver, Colorado.
Search relevance: 122.79 | Views last month: 0 -
High concentrations of uranium were detected in samples from wells used for domestic drinking water supplies in the San Joaquin Valley. Of 163 domestic wells sampled by the California Groundwater...
Search relevance: 77.04 | Views last month: 0 -
Groundwater samples were collected from 60 public supply wells in the Colorado Plateaus principal aquifer. Water quality evaluations of groundwater for drinking water at public supply depths were...
Search relevance: 63.52 | Views last month: 0 -
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA) project of the National...
Search relevance: 57.45 | Views last month: 0 -
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA) project of the National...
Search relevance: 57.33 | Views last month: 0
