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State
2019 California Water Quality Status Report
State of California —
The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition of the report... -
State
Ground Water - Water Quality Results
State of California —
Groundwater quality data and related groundwater well information available on the page was queried from the GAMA Groundwater information system (GAMA GIS). Data... -
Federal
Predictions of PFAS Occurrence in Groundwater at the Depth of Drinking Water Supplies in the Conterminous United States: Data and Model Archive
Department of the Interior —
An extreme gradient boosting ensemble tree model predicting per- and polyfluoroalkyl substances (PFAS) occurrence in groundwater at the depths typical of the bottom... -
State
DWR Airborne Electromagnetic (AEM) Surveys Data
State of California —
Statewide AEM Surveys Project Overview The Department of Water Resources’ (DWR’s) Statewide Airborne Electromagnetic (AEM) Surveys Project is funded through... -
County
Dickerson Weather Station Data
Montgomery County of Maryland —
This dataset include the Dickerson Weather Station Data. The hourly wind and temperature data are periodically used for Air Quality Dispersion Modeling work for the... -
Federal
KMZ files of EPA Ambient Monitors
U.S. Environmental Protection Agency —
KMZ files with the location of all the EPA ambient monitors with the ability to download data from within the description box. -
Federal
Data sets for: Status of Water Quality in Groundwater Resources Used for Drinking-Water Supply in the Southeastern San Joaquin Valley, 2013-2015 - California GAMA Priority Basin Project
Department of the Interior —
This data release contains site information and potential explanatory factor data for 1,899 groundwater sites. These sites were used to assess groundwater quality in... -
Federal
Boundaries and Grid Cells of the North American, South American, and Cosumnes Study Areas for the Sacramento Metropolitan Shallow Aquifer Study Unit
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 49 wells used for domestic and small system drinking water supplies in Amador, Placer, Sutter, and... -
Federal
Geophysical data from the unnamed lake at the National Crude Oil Spill Fate and Natural Attenuation Research Site, Bemidji, MN (ver. 3.0, May 2022)
Department of the Interior —
The National Crude Oil Spill Fate and Natural Attenuation Research Site is located near Bemidji, MN, USA. A high-pressure oil pipeline ruptured in 1979 releasing ~1.7... -
Federal
Boundaries and Grid Cells of the Redding-Red Bluff Shallow Aquifer Study Unit, 2018-2019
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 50 wells used for domestic and small-system drinking water supplies in Shasta and Tehama Counties,... -
Federal
RadNet (Environmental Radiation Ambient Monitoring System)
U.S. Environmental Protection Agency —
RadNet, formerly Environmental Radiation Ambient Monitoring System (ERAMS), is a national network of monitoring stations that regularly collect air, precipitation,... -
Federal
Data for assessing the susceptibility of groundwater used for drinking water supply from selected principal aquifers of the Western United States, 2004-2018
Department of the Interior —
Groundwater age distribution and susceptibility to natural and anthropogenic contaminants were assessed for selected principal aquifers of the Western United States:... -
State
California's Groundwater Update 2020 (Bulletin 118)
State of California —
California's Groundwater Update 2020 (CalGW) is California's foremost technical publication on groundwater in the state of California. CalGW, formally known as... -
Federal
DNA Sequencing of Selected Bacterial Growths in Samples from the Madera/Chowchilla-Kings Domestic Aquifer Study unit, 2014
Department of the Interior —
These data describe microbiological analyses performed on groundwater samples from domestic drinking water supply collected from 42 groundwater wells in the Central... -
Federal
Potential Explanatory Variables for Groundwater Quality in the Redding-Red Bluff Shallow Aquifer Assessment Study Unit, 2018-2019: California GAMA Priority Basin Project
Department of the Interior —
This data release codifies and attributes explanatory variables that could potentially influence groundwater quality at 50 groundwater wells used for domestic water... -
Federal
Modern groundwater-quality, depth, and well-construction data for selected wells in the San Joaquin Valley, California, 1993-2015
Department of the Interior —
Groundwater-quality data collected between 1993 and 2015 were compiled from the U.S. Geological Survey (USGS) National Water Information System (NWIS) database for... -
Federal
DS796 California Groundwater Units
Department of the Interior —
The California Groundwater Units dataset classifies and delineates the State into one of three groundwater based polygon units: (1) those areas defined as alluvial... -
Federal
Detections of Fecal Indicator Bacteria and DNA Sequencing of Selected Bacterial Growths in Samples from the Madera/Chowchilla-Kings Domestic Aquifer Study unit, 2014: Results from the California GAMA Priority Basin Project
Department of the Interior —
These data describe microbiological analyses performed on groundwater samples from domestic drinking water supply collected from 42 groundwater wells in the Central... -
Federal
Data for Per- and Polyfluoroalkyl Substances (PFAS) in groundwater samples collected by the California Groundwater Ambient Monitoring and Assessment Priority Basin Project, 2019-2023
Department of the Interior —
The California Groundwater Ambient Monitoring and Assessment Program Priority Basin Project (GAMA-PBP) analyzed for per-and polyfluoroalkyl substances (PFAS) in... -
Federal
Study Boundary and Grid Cells for the North and South American, Cosumnes, and Mokelumne River Watersheds Shallow Aquifer Study Unit
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 67 domestic wells and 1 spring used for domestic supply in Placer, El Dorado, Amador, and Calaveras...