Found 131 datasets matching "Principal aquifers".
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This dataset contains estimates of water withdrawals from 66 principal aquifers and "other" non-principal aquifers during 2015 for various categories of use in each county or county equivalent in...
Search relevance: 180.00 | Views last month: 0 -
This tabular data set represents Principal Aquifers and Rock Types compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1)...
Search relevance: 177.49 | Views last month: 0 -
This is polygon data of shallowest principal aquifers of Puerto Rico and the United States Virgin Islands, developed as part of the effort to produce a map published at 1:500,000 in Chapter HA...
Search relevance: 161.61 | Views last month: 4 -
Groundwater age distribution and susceptibility to natural and anthropogenic contaminants were assessed for selected principal aquifers of the Western United States: the Central Valley aquifer...
Search relevance: 150.54 | Views last month: 0 -
This product "Predicted nitrate and arsenic concentrations in basin-fill aquifers of the Southwest Principal Aquifers study area" is a 1:250,000-scale vector dataset and was developed as part of...
Search relevance: 144.76 | Views last month: 2 -
This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons. The map layer was developed...
Search relevance: 142.76 | Views last month: 2 -
This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons. The map layer was developed...
Search relevance: 141.47 | Views last month: 0 -
This product "Observed, predicted, and misclassification error data for observations in the training dataset for nitrate and arsenic concentrations in basin-fill aquifers in the Southwest...
Search relevance: 130.41 | Views last month: 0 -
Groundwater residence times and flow path lengths were simulated for two major aquifers of the Mississippi embayment region using particle tracking (Pollock, 2012; Starn and Belitz, 2018) in a...
Search relevance: 124.76 | Views last month: 0 -
This is a 100-meter cell resolution raster dataset consisting of 1:750,000-scale surficial geology for California and 1:500,000-scale for Nevada, and parts of Utah, Colorado, New Mexico, and...
Search relevance: 97.80 | Views last month: 0 -
This digital data set describes productive aquifers in the conterminous United States. The data set was generated from a U.S. Geological Survey 1:7,500,000-scale map of productive aquifers of the...
Search relevance: 93.86 | Views last month: 0 -
SWPA_alvbsn is a vector dataset of alluvial-fill basin statistics for the Southwest United States. Statistics for each basin include physical details such as area, landcover, elevation, slope...
Search relevance: 93.86 | Views last month: 0 -
This dataset is a 100-meter cell resolution raster of estimated use of public supply water for the southwestern United States. The dataset was generated from 1:100,000-scale county boundary...
Search relevance: 86.56 | Views last month: 1 -
Water quality and optical absorbance data for journal article entitled, "The removal kinetics of dissolved organic matter and the optical clarity of groundwater" by Francis H. Chapelle, Yuan Shen,...
Search relevance: 70.82 | Views last month: 0 -
This polygon vector dataset, delineating principal aquifers in New Mexico, is a clipped and refined version of the original principal aquifers of the United States shapefile (U.S. Geological Survey, 2019).
Search relevance: 67.04 | Views last month: 1 -
This geospatial dataset represents a prototype of a finer-scale representation of the principal aquifers of the United States, using four original principal aquifers in the Upper Midwest, United...
Search relevance: 65.69 | Views last month: 0 -
The Mississippi River Valley alluvial aquifer (MRVA) overlies and is bounded by several regional aquifers that make up the Mississippi embayment aquifer system (MEAS) in the central United States....
Search relevance: 63.24 | Views last month: 1 -
Water-quality data for groundwater samples collected from 4,824 sites, and ancillary data and information on sampled wells and principal aquifers, were used to assess the occurrence and...
Search relevance: 60.59 | Views last month: 0 -
This dataset provides analytical and other data in support of an analysis of lead and manganese in untreated drinking water from Atlantic and Gulf Coastal Plain aquifers, eastern United States....
Search relevance: 55.00 | Views last month: 0 -
A random forest regression (RFR) model was developed to predict groundwater fluoride concentrations in four western United Stated principal aquifers —California Coastal basin-fill aquifers,...
Search relevance: 52.39 | Views last month: 0
