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Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Citation (2) Types Citation (2) Map Service (2) OGC WFS Layer (2) OGC WMS Layer (2) OGC WMS Service (2) Contacts Celia Z Rosecrans Brian V Twining Idaho Water Science Center U.S. Geological Survey - ScienceBase Coury I Dorn More... Categories Data (1) Tag Types Theme (2) Place (2) USGS Scientific Topic Keyword (2) Harvest Set (2) Label (1) Tag Schemes USGS Thesaurus (1) Geographic Names Information System (GNIS) (1) View Results as: JSON ATOM CSV

Probability distribution grids of dissolved oxygen and dissolved manganese concentrations at selected thresholds in drinking water depth zones, Central Valley, California The ascii grids represent regional probabilities that groundwater in a particular location will have dissolved oxygen (DO) concentrations less than selected threshold values representing anoxic groundwater conditions or will have dissolved manganese (Mn) concentrations greater than selected threshold values representing secondary drinking water-quality contaminant levels (SMCL) and health-based screening levels (HBSL) for water quality. The probability models were constrained by the alluvial boundary of the Central Valley to a depth of approximately 300 meters (m). We utilized prediction modeling methods, specifically boosted regression trees (BRT) with a Bernoulli error distribution within a statistical learning... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Boosted Regression Trees, California, Central Valley, California, Domestic Well Water Use, Drinking Water Use, All tags... Groundwater, Hydrogeology, National Water Quality Program, Predictive Modeling, Public Supply Water Use, Statistical Analysis, USGS Science Data Catalog (SDC), United States, Visualization Methods, Water Quality, Water Resources, Fewer tags Drilling, construction, geophysical, water quality, and aquifer test data for well SEP 16, Butte County, Idaho In 2021 and 2022, the U.S. Geological Survey (USGS), in cooperation with the Idaho Department of Water Resources (IDWR), drilled and constructed well SEP 16 (431900112593601) approximately 6 miles south-southeast of Big Southern Butte in Butte County, Idaho. The purpose of the well installation was to collect geologic, geophysical, and hydrologic data. On July 13, 2022, the USGS Idaho National Laboratory Project Office (INLPO) collected select geophysical logs within the cased well including natural gamma, neutron, neutron porosity, and gamma-gamma dual density logs. Gyroscopic deviation data were also collected during geophysical surveying to account for the horizontal and vertical displacement of the well. On... Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 431900112593601, Butte County, Drilling/completion report, East Idaho, Geophysics, All tags... Hydrology, Idaho, SEP 16, Stratigraphy, USGS Science Data Catalog (SDC), Water Resources, borehole, chemical analysis, driller report, gamma-gamma, geochemistry, geophysical logging, geophysics, groundwater, hydrogeology, hydrology, las, lithology, natural gamma, neutron, neutron porosity, pumping test / aquifer test, radiochemical analysis, water chemistry, water properties, water quality, water sampling, well deviation, well diagram, Fewer tags