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County level domestic well population with arsenic greater than 10 micrograms...
Approximately 43 million people (about 14 percent of the U.S. population) rely on domestic wells as their source of drinking water. Unlike community water systems, which are... -
Arsenic, manganese, and pH groundwater quality data, selected well constructi...
This data release contains groundwater-quality data for three parameters of interest (arsenic, manganese, and pH) and well information for sample sites for aquifers in the... -
Geochemistry data collected (1985-2015) for understanding the evolution of gr...
This U.S. Geological Survey (USGS) Data Release is focused on the geochemistry of wells within the oil zone and groundwater monitoring wells away from the oiled zone at the... -
Map of Arsenic concentrations in groundwater of the United States
The map graphic image at https://water.usgs.gov/GIS/browse/arsenic_map.png illustrates arsenic values, in micrograms per liter, for groundwater samples from about 31,000 wells... -
Global Geochemical Database for Critical Minerals in Archived Mine Samples
The Critical Minerals in Archived Mine Samples Database (CMDB) contains chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in... -
Gallium Deposits in the United States
This U.S. Geological Survey (USGS) data release provides the descriptions of the only U.S. sites—including mineral regions, mineral occurrences, and mine features—that have... -
Map of Arsenic concentrations in groundwater of the United States
The map graphic image at https://water.usgs.gov/GIS/browse/arsenic_map.png illustrates arsenic values, in micrograms per liter, for groundwater samples from about 31,000 wells... -
Water Quality data compiled for Groundwater development leads to decreasing a...
Groundwater arsenic concentrations in the San Joaquin Valley have varied over the decades from 1980 to 2019. This report was compiled to determine whether arsenic concentrations... -
Arsenic, manganese, and pH groundwater quality data, selected well constructi...
This data release contains groundwater-quality data for three parameters of interest (arsenic, manganese, and pH) and well information for sample sites for aquifers in the... -
Multi-element geochemical analyses of selected samples from the Mesoproterozo...
This data release provides multi-element data for drill core samples from the Mesoproterozoic Nonesuch Formation and Copper Harbor Conglomerate at the Copperwood copper deposit,... -
Tellurium Deposits in the United States
This data release provides the description of U.S. sites that include mineral regions, mines and mineral occurrences (deposits) that have a contained resource and (or)... -
Groundwater data, predictor variables, and rasters used for predicting the pr...
This data release contains input data used in model development and TIF raster files used to predict the probability of high arsenic (As) and high manganese (Mn) in groundwater... -
Field portable X-ray fluorescence data for Hinkley and Water Valleys, San Ber...
These data were collected using field portable (handheld) X-ray fluorescence (pXRF) equipped with a 4-watt Ta/Au X-ray tube. Samples of surficial alluvium, rock, and archived... -
Field portable X-ray fluorescence data on standard reference materials associ...
These data were collected using field portable (handheld) X-ray fluorescence (pXRF) equipped with a 4-watt Ta/Au X-ray tube on two National Institute of Standards and Technology... -
Geochemistry data collected (1985-2015) for understanding the evolution of gr...
This U.S. Geological Survey (USGS) Data Release is focused on the geochemistry of wells within the oil zone and groundwater monitoring wells away from the oiled zone at the... -
Growth of cultured Picocystis strain ML in the presence of arsenic, and occur...
Mono Lake is a hypersaline soda lake rich in dissolved inorganic arsenic with its primary production currently dominated by <i>Picocystis</i> str. ML. We set out to... -
MODFLOW-NWT, MODPATH, and MT3DMS models used to study of hypothetical horizon...
A series of three-dimensional, hypothetical, groundwater models (MODFLOW-NWT) were developed to investigate the effects of a variety of factors on the flow of arsenic-containing... -
Chemical extraction results of aquifer sediments for concentrations of iron a...
In a crude-oil-contaminated sandy aquifer at the Bemidji site in northern Minnesota, biodegradation of petroleum hydrocarbons has resulted in release of naturally occurring As... -
Arsenic datasets and other physical and chemical measurements for selected do...
The U.S. Geological Survey (USGS), in cooperation with the U.S. Centers for Disease Control and Prevention and the Maine Center for Disease Control and Prevention, assessed the... -
Abandoned Mine Land (AML) Geochemical Data: Western Slope of the Oquirrh Moun...
From June to September 2017, the United States Geological Survey (USGS) collected a total of 116 surficial sediment and bedrock samples from abandoned mine wastepiles, ephemeral...
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