Found 2438 datasets matching filters.
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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 is organized around the...
Search relevance: 1.00 | Views last month: 44 | Published on: 2025-07-29 -
The map graphic image at https://www.sciencebase.gov/catalog/file/get/63140561d34e36012efa2b7f?name=arsenic_map.png illustrates arsenic values, in micrograms per liter, for groundwater samples...
Search relevance: 1.00 | Views last month: 27 | Published on: 2026-03-07 -
This data set represents the extent of the Mississippi embayment aquifer system in the states of Louisiana, Arkansas, Mississippi, Alabama, Tennessee, and Kentucky.
Search relevance: 1.00 | Views last month: 14 | Published on: 2026-03-18 -
Surface electrical resistivity tomography (ERT), electromagnetic induction (EMI), and self-potential (SP) data were acquired March 9 - 20, 2018 by the U.S. Geological Survey (USGS), in...
Search relevance: 1.00 | Views last month: 13 | Published on: 2026-03-03 -
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American...
Search relevance: 1.00 | Views last month: 11 | Published on: 2026-03-18 -
GeoTracker is the Water Boards' data management system for sites that impact, or have the potential to impact, water quality in California, with emphasis on groundwater. GeoTracker contains...
Search relevance: 1.00 | Views last month: 10 | Published on: 2026-03-28 -
This data release contains lakebed groundwater and surface-water temperatures collected during a survey on September 18, 2020, by using a handheld thermocouple probe at Shubael Pond, a groundwater...
Search relevance: 1.00 | Views last month: 10 | Published on: 2026-03-03 -
Dataset summarizes the concentrations of CECs in groundwater impacted by onsite septic systems.
Search relevance: 1.00 | Views last month: 10 | Published on: 2026-04-21 -
Vertical electrical soundings (VES) are used to develop depth-resolved models of aquifer resistivity by making electrical potential measurements at increasingly larger electrode spacing, with the...
Search relevance: 1.00 | Views last month: 9 | Published on: 2026-03-03 -
This data release includes geospatial datasets, comma separated values (.csv) files, and associated FGDC-compliant metadata representing data collected between 2004 and 2015 as part of a study of...
Search relevance: 1.00 | Views last month: 9 | Published on: 2026-03-03 -
This is a hybrid of location sources for well reports (logs). There is one location for all reports, even if it is the same well (new, deepening, etc. may all be separate reports and will be...
Search relevance: 1.00 | Views last month: 8 | Published on: 2026-01-31 -
This data set represents the extent of the Northern California volcanic-rock aquifers in California.
Search relevance: 1.00 | Views last month: 7 | Published on: 2026-03-18 -
This digital dataset defines the spring 1961 water-table altitude for the California's Central Valley. It was used to initiate the water-level altitudes for the upper zones of the transient...
Search relevance: 1.00 | Views last month: 6 | Published on: 2026-03-07 -
This dataset identifies the number of individually-owned domestic wells, and the number of households relying upon domestic water supply in the state of California. The number of wells and...
Search relevance: 1.00 | Views last month: 6 | Published on: 2026-03-03 -
This data release contains five comma separated value (csv) files that describe the location and water-quality data for wells, springs, and streams compiled for the U.S. Geological Survey (USGS)...
Search relevance: 1.00 | Views last month: 6 | Published on: 2026-03-03 -
This data set consists of a detailed digital map of individual irrigated fields and a summary of the irrigated acreage for the 2017 growing season developed for Collier County, Florida. Selected...
Search relevance: 1.00 | Views last month: 6 | Published on: 2026-03-03 -
This data release contains oil well annular cement and casing damage data from parts of the South Belridge and Lost Hills Oil Fields in western Kern County, California. The study area coincides...
Search relevance: 1.00 | Views last month: 6 | Published on: 2026-03-03 -
A three-dimension groundwater-flow model (MODFLOW-2005) was developed to improve understanding of groundwater flow and pumping effects near the Long Canyon Mine in Goshute Valley, northeastern...
Search relevance: 1.00 | Views last month: 6 | Published on: 2026-03-03 -
This data release describes water service areas (WSA) for community water systems (CWS) within the conterminous United States, representing areas of active service between 2010 and 2020. A WSA is...
Search relevance: 1.00 | Views last month: 6 | Published on: 2026-03-03
