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Environmental and Quality-Control Data Collected by the USGS National Water-Quality Assessment Project for Hormones and Pharmaceuticals in Groundwater Used as a Source of Drinking Water Across the United States, 2013-15 This data set includes results for hormone and pharmaceutical compounds analyzed in environmental and quality-control samples collected by the USGS National Water-Quality Assessment Project during 2013 through 2015 for a study of groundwater resources used for drinking-water supply across the United States. Hormone and pharmaceutical results are provided for environmental samples collected at 1,120 wells or springs; selected ancillary data, such as principal aquifer, well depth, and land-use information also are provided for the sampled sites. The types of quality-control samples included in this data set are blanks, matrix spikes, and replicates collected at field sites or field offices. Included in this data... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Cycle 3, Drinking water, Environmental Health, Groundwater, Hormones, All tags... Human health, NAWQA, National Water Quality Program, Pharmaceuticals, USGS Science Data Catalog (SDC), United States, Water Quality, Water quality, Fewer tags Data for the occurrence and distribution of strontium in U.S. groundwater Water-quality data for groundwater samples collected from 4,824 sites between 1991 through 2018, and ancillary data and information on sampled wells and principal aquifers, were used to assess the occurrence and distribution of strontium in U.S. groundwater from 32 principal aquifers. This data release includes one tab-delimited text file detailing these data. Table: Chemical data from the U.S. Geological Survey National Water Information System and ancillary data considered for assessment of strontium concentration in U.S. groundwater. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hydrology, NAWQA, USGS Science Data Catalog (SDC), Water Quality, cycle 3, All tags... drinking water, groundwater, strontium, water quality, Fewer tags Distribution Models Predicting Groundwater Influenced Ecosystems in the Northeastern United States Globally, groundwater dependent ecosystems (GDEs) are increasingly vulnerable to groundwater extraction and land use practices. Groundwater supports these ecosystems by providing inflow, which can maintain water levels, water temperature, and chemistry necessary to sustain the biodiversity that they support. Many aquatic systems receive groundwater as a portion of base flow, and in some systems (e.g., springs, seeps, fens) the connection with groundwater is significant and important to the system’s integrity and persistence. Groundwater management decisions for human use may not consider ecological effects of those actions on GDEs, which rely on groundwater to maintain ecological function. This disconnect between... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Ecology, Hydrology, Land Use Change, New England, Remote Sensing, All tags... USGS Science Data Catalog (SDC), Water Resources, Wildlife Biology, groundwater, groundwater influenced ecosystems, imageryBaseMapsEarthCover, modeling, northeastern United States, northeastern states, prediction, Fewer tags Hydrograph-separation results for 225 streams in the Chesapeake Bay watershed derived by using PART, HYSEP (Fixed, Local minimum, Slide), BFI, and a Recursive Digital Filter with streamflow data ranging from 1913 through 2016 This U.S. Geological Survey (USGS) data release contains daily-mean streamflow and estimated-daily base flow for 225 streamgages in the Chesapeake Bay watershed ranging from 1913 to 2016 (beginning and end dates may vary). There is a table containing hydrograph-separation results by six methods for 225 sites (Hydrograph_separation_results_for_225_streams_in_the_Chesapeake_Bay_watershed) and a summary table with hydrograph-separation results for each site and method (Hydrograph_separation_summary_for_225_streams_in_the_Chesapeake_Bay_watershed). Quantitative estimates of base flow are necessary to address questions of the vulnerability and response of aquatic ecosystems to natural and human-induced change in environmental... Categories: Data; Tags: Base flow, Chesapeake Bay watershed, Hydrogeology, Hydrograph separation, USGS Science Data Catalog (SDC), All tags... groundwater, Fewer tags Groundwater-Level Altitudes and Long-term Groundwater-Level Changes in the Chicot, Evangeline, and Jasper Aquifers, Houston-Galveston Region, Texas, 2018 The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, and Lone Star Groundwater Conservation District has produced this dataset of groundwater‐level altitudes and groundwater‐level altitude changes in the Chicot, Evangeline, and Jasper aquifers in the Houston‐Galveston region, Texas. This dataset shows current‐year (2018) groundwater‐level altitudes for each aquifer, 5‐year (2013‐18) groundwater‐level changes for each aquifer, long‐term (1990‐2018 and 1977‐2018) groundwater‐level changes for the Chicot and Evangeline aquifers, and long‐term (2000‐2018) groundwater‐level change for the Jasper aquifer. The groundwater‐level measurements... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Brazoria County, Chambers County, Chicot aquifer, Evangeline aquifer, Fort Bend County, All tags... Galveston County, Grimes County, Harris County, Houston, Hydrogeology, Jasper aquifer, Liberty County, Montgomery County, San Jacinto County, Texas, USGS Science Data Catalog (SDC), Walker County, Waller County, Water Resources, aquifer, elevation, groundwater, groundwater-level altitude, hydrology, hypsometry, subsidence, Fewer tags Biogeochemical and source characteristics of preferential groundwater discharge in the Farmington River watershed (Connecticut and Massachusetts, 2017 - 2021) We used spatial data from previously mapped preferential groundwater discharges throughout the Farmington River watershed in Connecticut and Massachusetts (https://doi.org/10.5066/P915E8JY) to guide water sample collection at known locations of groundwater discharging to surface water. In 2017 and 2019 - 2021, samples were collected during general river baseflow conditions (July – November, <30.9 cms mean daily discharge (USGS gage 01189995, statistics 2010-2022) when the riverbank discharge points were exposed. We collected a suite of dissolved constituents and stable isotopes of water directly in the shallow saturated sediments of active points of discharge, and coincident stream chemical samples were also collected... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Connecticut, Farmington River, Hydrology, Massachusetts, USGS Science Data Catalog (SDC), All tags... groundwater, groundwater and surface-water interaction, groundwater and surface-water interaction, inlandWaters, nutrient content (water), Fewer tags Update to the groundwater withdrawals database for the Death Valley regional groundwater flow system, Nevada and California, 1913-2010 Note: This data release has been revised. Find version 2.0 here: https://doi.org/10.5066/F75H7FH3. Groundwater withdrawal estimates from 1913-2010 for the Death Valley regional groundwater flow system (DVRFS) are compiled in a Microsoft® Access database. This database updates two previously published databases (Moreo and others, 2003; Moreo and Justet, 2008). A total of about 38,000 acre-feet of groundwater was withdrawn from the DVRFS in 2010, of which 47 percent was used for irrigation, 22 percent for domestic, and 31 percent for public supply, commercial, and mining activities. The updated database was compiled to support ongoing efforts to model groundwater flow in the DVRFS. References cited: Moreo, M.T.,... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Amargosa Desert, Death Valley, Death Valley Regional Flow System, Hydrology, Nevada Test Site, All tags... Nye County, Pahrump Valley, State of Nevada, environment, geoscientificInformation, groundwater, inlandWaters, pumpage, water use, withdrawals, Fewer tags Groundwater-Level Altitudes and Volatile and Semivolatile Organic Compound Concentrations at the Petro-Chemical Systems, Inc. (Turtle Bayou) Superfund Site, Liberty County, Texas, 2020 In 2020, the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, collected groundwater-level altitude data and water-quality samples from monitoring wells at the Petro-Chemical Systems, Inc. (Turtle Bayou) Superfund Site in Liberty County, Texas to evaluate the status of groundwater contamination at this previously remediated site. The dataset includes groundwater-level altitudes and field properties measured at 11 monitoring wells along with data from environmental and quality assurance/quality control water quality samples collected at each well. Water-quality samples were analyzed for a suite of volatile and semivolatile organic compounds. Tags: Environmental Protection Agency, Liberty County, Superfund, Texas, USA, All tags... USGS Science Data Catalog (SDC), environment, geoscientificInformation, groundwater, semivolatile organic compounds, volatile organic compounds, Fewer tags Thermal infrared images and direct temperature measurements of groundwater discharge zones throughout the Farmington River watershed (Connecticut and Massachusetts) Areas of groundwater discharge are hydrologically and ecologically important, and yet are difficult to predict at the river network scale. Thermal infrared imagery can be used to identify areas of groundwater discharge based on an observed temperature anomaly (colder during the late summer or warmer during the late winter). The thermal images, direct temperature measurements (11 cm depth) and discharge zone (seep) location information in this data release were collected as part of a study to evaluate and improve predicted spatial patterns of groundwater discharge. The data were collected during the late summer / early fall of 2017 along selected river reaches in the Farmington River watershed (Connecticut and Massachusetts).... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Connecticut, Farmington River, Groundwater, Hydrology, Massachusetts, All tags... USGS Science Data Catalog (SDC), Water Resources, geoscientificInformation, groundwater, groundwater and surface-water interaction, hydrology, infrared imaging, inlandWaters, surface water (non-marine), Fewer tags Effects of Wetland Management and Associated Abiotic Processes on Rare Plant Communities of Spring-fed Arid Wetlands at Bitter Lake National Wildlife Refuge 2019-2020 This dataset consists of three datafiles: 1) vegetation, 2) abiotic factors, and 3) groundwater levels. Vegetation data were collected twice per month between July and September of 2019 and 2020. Data was collected by establishing 1m x 1m subplots within 12 5m-radius sampling plots distributed across the management units of Bitter Lake National Wildlife Refuge. Subplots were established to represent plot-level vegetation structure and facilitate estimates of rare plant relative abundance. The abiotic factors dataset includes observations of surface soil moisture, salinity, groundwater quality data, and rare plant presence taken weekly between March – October 2019 and May – October 2020 at each established plot within... Categories: Data; Tags: Botany, Ecology, Hydrology, New Mexico, New Mexico, All tags... Soil Sciences, USGS Science Data Catalog (SDC), Water Resources, biota, endangered, groundwater, rare plant, wetland, Fewer tags Geophysical and Other Data From an Irrigation Monitoring Experiment at Haddam Meadows, CT, July 2019 An irrigation monitoring experiment was performed in Haddam Meadows State Park, Connecticut, on July 16, 2019. Prior to this experiment, ground penetrating radar (GPR), frequency domain electromagnetics (FDEM), and electrical resistivity tomography (ERT) geophysical data were collected over a 20 meter by 10-meter grid to provide baseline information. A vertical soil moisture probe was installed in the center of this area that recorded volumetric water content, temperature, and electrical conductivity at 9 discrete depths down to 1 meter below land surface. Over the next 8 hours, 5,300 liters of irrigation water (with specific conductance of 1,000 microSiemens per centimeter) was sprayed as evenly as practical over... Tags: Ambient Monitoring, Connecticut, Geophysics, Geophysics, Geophysics, All tags... Haddam Meadows, Hydrology, Real-time Monitoring, Soil Sciences, Stratigraphy, Surface Geophysics, Surface Geophysics, USGS Science Data Catalog (SDC), USGS:626b151cd34e76103cd18517, Water Resources, Water Resources, boundaries, electromagnetic surveying, electromagnetic surveying, environment, geophysics, geophysics, geoscientificInformation, geoscientificInformation, groundwater, hydrogeology, Fewer tags Passive seismic depth to bedrock data collected along streams of the Farmington River watershed, CT, USA Using the horizontal-to-vertical spectral-ratio (HVSR) method, we infer regolith thickness (i.e., depth to bedrock) throughout the Farmington River Watershed, CT, USA. Between Nov. 2019 and Nov. 2020, MOHO Tromino Model TEP-3C (MOHO, S.R.L.) three-component seismometers collected passive seismic recordings along the Farmington River and the upstream West Branch of Salmon Brook. From these recordings, we derived resonance frequencies using the GRILLA software (MOHO, S.R.L.), and then inferred potential regolith thicknesses based on likely shear wave velocities, Vs, intrinsic to the underlying sediment. Three potential shear wave velocities (Vs = 300m/s, 337m/s, 362 m/s) were considered for Farmington River watershed... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Connecticut, Farmington River, Hydrology, USGS Science Data Catalog (SDC), groundwater, All tags... groundwater and surface-water interaction, health, hydrogeology, hydrology, imageryBaseMapsEarthCover, regolith thickness, surface water (non-marine), Fewer tags Water Chemistry data for samples collected at groundwater sites in the Poso Creek Oil Field study area, February 2020-December 2021, Kern County, California The California State Water Resources Control Board (State Water Board) initiated the Oil and Gas Regional Monitoring Program (RMP) to assess effects of oil and gas development on groundwater designated for any beneficial use. The U.S. Geological Survey (USGS) is the technical lead in conducting the RMP through the California Oil, Gas, and Groundwater (COGG) Program, working in cooperation with the State Water Board, and in partnership with other State and local agencies. The USGS collected and analyzed groundwater, surface water, and associated quality control (QC) samples in the Poso Creek Oil Field study area during February 2020-December 2021. Groundwater samples were collected from eleven irrigation, two domestic,... Categories: Data; Tags: Aquifers, California, Geochemistry, Geochemistry, Groundwater, All tags... Groundwater Aquifer, Groundwater Quality, Kern County, Poso Creek Oil Field, Regional Monitoring Program, Salinity, Salinity Mapping, USGS Science Data Catalog (SDC), Water Chemistry, Water Quality, Water Quality Data, Water Resources, inlandWaters, Fewer tags Water-Level Measurement Data Collected during 2015-2016 and Approximate Long-Term Water-Level Altitude Changes of Wells Screened in the Chicot, Evangeline, and Jasper Aquifers, Houston-Galveston Region, Texas The U.S. Geological Survey, in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Brazoria County Groundwater Conservation District, and Lone Star Groundwater Conservation District, has produced this dataset of water-level changes and approximate water-level altitudes in the Chicot, Evangeline, and Jasper aquifers in the Houston-Galveston region, Texas. This dataset shows current-year (2015-2016) water-level changes for each aquifer, 5-year (2011-2016) water-level changes for each aquifer, long-term (1990-2016 and 1977-2016) water-level changes for the Chicot and Evangeline aquifers, and long-term (2000-2016) water-level changes for the Jasper aquifer. The... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Brazoria County, Chambers County, Chicot aquifer, Compaction, Evangeline aquifer, All tags... Fort Bend County, Galveston County, Grimes County, Groundwater, Harris County, Hydrology, Jasper aquifer, Liberty County, Montgomery County, San Jacinto County, Subsidence, Texas, USGS Science Data Catalog (SDC), Walker County, Waller County, Water Resources, elevation, geoscientificInformation, groundwater, hypsometry, imageryBaseMapsEarthCover, subsidence, water-level altitude, water-level change, Fewer tags Cumulative Compaction of Subsurface Sediments (2017) in 13 Extensometers in the Chicot and Evangeline Aquifers in the Houston-Galveston Region, Texas Please note: a more recent version of this dataset is available. Users are strongly advised to access the newer version of the dataset at https://doi.org/10.5066/P9YGUE2V. The U.S. Geological Survey, in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, and Lone Star Groundwater Conservation District, produced a dataset through 2017 of compaction values in the Chicot and Evangeline aquifers in the Houston‐Galveston region, Texas. This dataset contains compaction values of subsurface sediments (mostly in the fine-grained silt and clay layers because little compaction occurs in sand layers) in the Chicot and Evangeline aquifers that were recorded continuously... Categories: Data; Tags: Chicot aquifer, Evangeline aquifer, Fort Bend County, Galveston County, Harris County, All tags... Hydrogeology, Texas, USGS Science Data Catalog (SDC), Water Resources, aquifer, compaction, elevation, extensometer, groundwater, hydrology, hypsometry, subsidence, Fewer tags Geochemical Correction of Carbon-14 in Dissolved Inorganic Carbon used for Groundwater Age Dating in the Glacial Aquifer System, Conterminous United States Data provided here describe geochemical correction of carbon-14 in dissolved inorganic carbon (DIC) for groundwater age dating. Datasets include major ion chemistry of groundwater samples, model parameter inputs, and final corrected carbon-14 in DIC. Geochemical correction was completed in two phases: determination of reactive phase mole transfers through an inverse geochemical model (PHREEQC; Parkhurst and Appleo, 1992) and tracking of isotopic mass transfer among phases (NetpathXL; Parkhusrtand Charlton, 2008). Parkhurst, D.L., and Appelo, C.A.J., 2013, Description of input and examples for PHREEQC version 3—A computer program for speciation, batch-reaction, one-dimensional transport, and inverse geochemical... Tags: Cenozoic, Connecticut, Holocene, Idaho, Illinois, All tags... Indiana, Iowa, Kansas, Maine, Massachusetts, Michigan, Minnesota, Missouri, Montana, NAWQA, Nebraska, New Hampshire, New Jersey, New York, North Dakota, Ohio, Pennsylvania, Pleistocene, Quaternary, Rhode Island, South Dakota, USGS Science Data Catalog (SDC), Vermont, Washington, Wisconsin, alkalinity, aqueous solutions, atmospheric chemistry, calcium, carbon cycle, carbonate minerals, carbonate rocks, chemical equilibrium, chemical interactions, chemical precipitation, chemical speciation, cycle 3, data release, dissolved carbon dioxide, dissolved gases, exchangeable cations, gas exchange, geochemical processes, geochemistry, glacial deposits, glacial drift, glacial soils, groundwater, groundwater, groundwater flow, groundwater quality, half life, hydrogeochemistry, hydrogeology, isotope fractionation, magnesium, mathematical simulation, minerals, rain, soil chemistry, soil chemistry, soil sciences, soil water, soil-plant-atmosphere interactions, solubility, stable isotopes, thermodynamics, unsaturated flow, vadose zone, water analysis, water chemistry, water quality, Fewer tags Transboundary Aquifer Assessment Program—Water-Quality Data from Groundwater Wells in the Hueco Bolson near El Paso, Texas, August 2016—June 2017 The Transboundary Aquifer Assessment Act was established to systematically assess priority aquifers along the U.S.-Mexico international boundary. The priority aquifers that were specified include the Hueco-Mesilla Bolsons aquifer in Texas and New Mexico and its counterpart in Mexico, the Conejos-Medanos Aquifer system, and the Santa Cruz and San Pedro aquifers in Arizona (Texas Water Development Board, 2019). The Transboundary Aquifer Assessment Program (TAAP) was started in 2009 and is a collaborative effort between the U.S. Geological Survey, Arizona Water Resources Research Center, New Mexico Water Resources Research Institute, and the Texas Water Resources Institute (U.S. Geological Survey, 2018) to better understand... Tags: Cuidad Juarez, Chihuahua, Dona Ana Range, El Paso, Texas, Fort Bliss, Geochemistry, All tags... Geochemistry, Groundwater, Hueco Bolson, Hueco Bolson, Hydrogeology, Isotopic Analyses, Major Ions, Nutrients, Pesticides, Transboundary Aquifer, USGS Science Data Catalog (SDC), Water Chemistry, Water Properties, Water Quality, Water Quality, Water Resources, Water Resources, Fewer tags Data for Groundwater Age and Susceptibility of Poorly Consolidated Sedimentary Aquifers of the United States Gulf Coast: Results from the Southeast Coastal Plain (SECP), Coastal Lowland (CLOW), Mississippi Embayment and Texas Coastal Upland (METX) Principal Aquifer Networks This data release documents eight Microsoft Excel tables; four which contain data for understanding groundwater ages in the South East Coastal Plain (SECP), Coastal Lowlands (CLOW) and Mississippi Embayment and Texas Coastal Uplands (METX) aquifer systems and four that describe the data fields. Results described include dissolved gas modeling results, environmental tracer concentrations (tritium, tritiogenic helium-3, sulfur hexafluoride, and radiogenic helium-4), mean age and age distribution, and carbon-14 geochmical modeling results Dissolved gas modeling results (DGmodel) contains detailed information on the calibration of dissolved gas models to dissolved gas concentrations (neon, argon, krypton, xenon, and... Categories: Data; Tags: Alabama, Arkansas, Coastal Lowlands (CLOW), Cycle 3, Dissolved gas, All tags... Florida, Georgia, Groundwater, Groundwater age, Gulf Coast, Gulf and South Atlantic Coast Aquifers, Kentucky, Louisiana, Lumped parameter modeling, Mississippi, Mississippi Embayment and Texas Coastal Uplands (METX), Missouri, NAWQA, Recharge temperature, South Atlantic coast, South Carolina, South East Coastal Plain (SECP), Tennessee, Texas, USGS Science Data Catalog (SDC), Water Quality, Water quality, Fewer tags Depth to Groundwater Measured from Wells Completed in the Chicot, Evangeline, and Jasper Aquifers, Houston-Galveston Region, Texas, 2020 This dataset documents the depth to groundwater measured in wells screened in the Chicot, Evangeline, and Jasper aquifers in the Houston‐Galveston region, Texas for 2020. The U.S. Geological Survey prepared this dataset in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and Brazoria County Groundwater Conservation District. This dataset was created to provide resource managers, public officials, researchers, and the general public with ready access to information regarding depths to groundwater in the region. All of the data in this dataset were collected from December 2019 through March 2020 and are stored in... Tags: Brazoria County, Chambers County, Chicot aquifer, Evangeline aquifer, Fort Bend County, All tags... Galveston County, Grimes County, Harris County, Hydrology, Jasper aquifer, Liberty County, Montgomery County, San Jacinto County, Texas, USGS Science Data Catalog (SDC), Walker County, Waller County, Water Resources, aquifer, elevation, groundwater, hydrology, hypsometry, subsidence, water-level altitude, Fewer tags Passive Seismic Horizontal-to-Vertical Spectral Ratio Measurements at Transportation Infrastructure Sites in New Hampshire, 2022 In 2022, the U.S. Geological Survey (USGS) in cooperation with the New Hampshire Department of Transportation (NHDOT) made 107 horizontal-to-vertical spectral ratio (HVSR) passive seismic geophysical measurements at four transportation infrastructure sites in New Hampshire to determine the benefits of HVSR as an enhancement to traditional geotechnical site characterizations performed by NHDOT. Typically, data are obtained from the subsurface during borings to characterize geotechnical properties but often borings are spaced hundreds of feet apart. Geotechnical site characterization guided by geophysical surveys (such as the HVSR method) between borings will help provide a more thorough characterization. By combining... Categories: Data; Tags: Canterbury, NH, Geophysics, Geophysics, Groundwater, Horizontal-to-Vertical Spectral Ratio (HVSR) Seismic, All tags... Lee, NH, New Hampshire, New London, NH, Passive Seismic, Slope failure, Troy, NH, USGS Science Data Catalog (SDC), environment, geoscientificInformation, transportation, Fewer tags 1 2 3 4 5 ... 7 »