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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (2) OGC WFS Layer (2) OGC WMS Layer (2) OGC WMS Service (2) Contacts U.S. Geological Survey - ScienceBase Loren F Metzger U.S. Geological Survey Joshua C Johnson Water Resources More... Categories Data (6) Tag Schemes USGS Thesaurus (18) none (17) None (12) ISO 19115 Topic Category (2) Tags (with Type=Theme ) groundwater (7) groundwater quality (3) salinity (3) environmental resources (2) freshwater (2) oil and gas fields (2) oil field (2) More... View Results as: JSON ATOM CSV

Petroleum well data used for preliminary regional groundwater salinity mapping near selected oil fields in central and southern California This digital dataset is comprised of two separate data files that contain total dissolved solids, well construction, and well identifying information for 1,131 petroleum wells used to map salinity in and around 31 southern and central California oil fields. Salinity mapping was done for 27 fields located in the southern San Joaquin Valley of Kern County (North Belridge, South Belridge, Canfield Ranch, North Coles Levee, South Coles Levee, Cymric, Edison, Elk Hills, Fruitvale, Greeley, Jasmin, Kern Bluff, Kern Front, Kern River, Lost Hills, Mount Poso, Mountain View, Poso Creek, Rio Bravo, Rosedale, Rosedale Ranch, Round Mountain, San Emidio Nose, Tejon, Ten Section, Wheeler Ridge, and Yowlumne), 3 fields in the... Categories: Data; Tags: California, Central Coastal Basins, Los Angeles Basin, San Joaquin Valley, groundwater, All tags... oil field, petroleum well, salinity, total dissolved solids, Fewer tags Water well data used for preliminary regional groundwater salinity mapping near selected oil fields in central and southern California This digital dataset is comprised of three separate data files that contain total dissolved solids, well construction, and well identifying information for 3,546 water wells used to map salinity in and around 31 southern and central California oil fields. Salinity mapping was done for 27 fields located in the southern San Joaquin Valley of Kern County (North Belridge, South Belridge, Canfield Ranch, North Coles Levee, South Coles Levee, Cymric, Edison, Elk Hills, Fruitvale, Greely, Jasmin, Kern Bluff, Kern Front, Kern River, Lost Hills, Mount Poso, Mountain View, Poso Creek, Rio Bravo, Rosedale, Rosedale Ranch, Round Mountain, San Emidio Nose, Tejon, Ten Section, Wheeler Ridge, and Yowlumne), 3 fields in the LA... Categories: Data; Tags: California, Central Coastal Basins, Los Angeles Basin, San Joaquin Valley, groundwater, All tags... oil field, salinity, total dissolved solids, water well, Fewer tags Total well depths for water wells overlying and adjacent to oil and gas fields in California In 2014, total well depths for groundwater wells in California were extracted from digital copies of well completion reports provided to the U.S. Geological Survey by the California Department of Water Resources (DWR). This digital dataset contains 16,912 well depths for domestic, municipal, irrigation, industrial, and agricultural wells that were overlying oil and gas fields or within 5 kilometers of a field boundary. Wells were attributed with approximate location, well use, and depth using information provided by DWR, and were attributed with land surface elevations using the California National Elevation Dataset. Wells were also attributed with the nearest oil and gas field using the California Division of Oil,... Categories: Data; Tags: California, Western United States, environmental resources, freshwater, groundwater, All tags... oil and gas fields, petroleum, proximity, well depth, Fewer tags Water chemistry data for samples collected at groundwater and surface-water sites near the Lost Hills and Belridge oil fields, November 2016–September 2017, Kern County, California (ver. 2.0, December 2021) An investigation was done by the U.S. Geological Survey, in cooperation with the California State Water Resources Control Board's Program of Regional Groundwater Monitoring of Water Quality in Areas of Oil and Gas Production, to assess the effects of oil and gas production activities on nearby groundwater resources. During November 2016–September 2017, 30 samples were collected at groundwater wells and 1 sample was collected at a surface-water site. This dataset contains site information and water chemistry results for samples collected near the Lost Hills and North and South Belridge oil fields, Kern County, California. Samples were analyzed for water-quality indicators, major and minor ions, nutrients, trace elements,... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bakersfield, Belridge, California, Kern, Lost Hills, All tags... USGS Science Data Catalog (SDC), groundwater, groundwater quality, water chemistry, water quality, water sampling, Fewer tags Data analyzed for the preliminary prioritization of California oil and gas fields for regional groundwater monitoring There are 487 onshore oil and gas fields in California encompassing 3,392 square miles of aggregated area. The California State Water Resources Control Board (State Water Board) initiated a Regional Monitoring Program (RMP) in July 2015, intended to determine where and to what degree groundwater quality may be at potential risk to contamination related to oil and gas development activities including well stimulation, well integrity issues, produced water ponds, and underground injection. The first step in monitoring groundwater in and near oil and gas fields is to prioritize the 487 fields using consistent statewide analysis of available data that indicate potential risk of groundwater to oil and gas development.... Tags: California, USGS Science Data Catalog (SDC), Western United States, environmental resources, freshwater, All tags... groundwater, oil and gas fields, petroleum, prioritization, well perforations, Fewer tags Water chemistry data for samples collected at groundwater and surface-water sites near the Lost Hills and Belridge oil fields, November 2016–September 2017, Kern County, California This data release has been revised and the new version is available here: https://doi.org/10.5066/F7NS0T5M. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bakersfield, Belridge, California, Geochemistry, Hydrogeology, All tags... Kern, Lost Hills, USGS Science Data Catalog (SDC), Water Quality, Water Resources, groundwater, groundwater quality, water chemistry, water quality, water sampling, Fewer tags Supporting groundwater salinity data used for salinity mapping adjacent to the Lost Hills and Belridge oil fields, Kern County, California This dataset contains summarized historical groundwater salinity observations from wells near the Lost Hills and Belridge oil fields in the southwestern San Joaquin Valley, Kern County, California. Total dissolved solids (TDS) concentration, electrical fluid conductivity (EC), and well construction information were aggregated from public data sources and local water management agencies. Trends in total-dissolved solids (TDS) concentrations and fluid conductivity were assessed on a well-by-well basis to develop a dataset of salinity observations to support the interpretation of resistivity data derived from an airborne electromagnetic (AEM) survey flown in October 2016. Results of the trend analysis were used to... Categories: Data; Tags: CAWSC, California, California Oil Gas and Groundwater project, California Water Science Center, Energy Resources, All tags... GGGSC, Geology, Geophysics, and Geochemistry Science Center, Geophysics, Hydrology, Kern County, Lost Hills, Lost Hills Oil Field, North Belridge Oil Field, Northwest Lost Hills Oil Field, San Joaquin Valley, South Belridge Oil Field, USGS Science Data Catalog (SDC), Water Quality, Water Resources, electromagnetic surveying, environment, geophysics, geoscientificInformation, geospatial datasets, groundwater, groundwater quality, hydrogeology, resistivity, salinity, Fewer tags