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Target-chemical concentrations and microbiological results in surface water and tapwater, Montana, 2022 This data release contains the concentration and quality-assurance results for inorganic constituents, as well as organic compounds (volatile organic compounds [VOC], per- and polyfluoroalkyl substances [PFAS], pesticides and disinfection byproducts [DBP]) and microbiological results collected in the Little Big Horn River and residential or commercial tapwater locations in Montana. Twenty-two tapwater samples (six sourced from public supply and 14 sourced from private wells) and six surface-water samples were collected in Montana between August 8-10, 2022. Pharmaceuticals, VOC, and PFAS were analyzed at the U.S. Geological Survey (USGS) National Water Quality Laboratory (NWQL) in Denver, Colorado. Pesticides and... Categories: Data; Tags: Environmental Health, Montana, USGS Science Data Catalog (SDC), United States, Water Quality, All tags... drinking water use, environment, environmental health (human), geoscientificInformation, health, inorganic analytes, organic contaminants, point-of-use exposure, surface water, tapwater, water quality, Fewer tags Plant and insect pollinator diversity data from Conservation Reserve Program fields across an agricultural gradient in eastern Iowa This data release includes sampling location identification and timing data as well as plant and insect pollinator taxonomic information in Conservation Reserve Program fields. Sampling took place during July and August of 2019. Fields were located on private land managed for the U.S.Department of Agriculture Conservation Reserve Program in eastern central Iowa, U.S.A. Categories: Data; Tags: Conservation Reserve Program, Environmental Health, Iowa, Land Use Change, USGS Science Data Catalog (SDC), All tags... agriculture, bees and wasps, biodiversity, biota, pesticide and herbicide contamination, pollinators, Fewer tags Nutrients, estrogenicity, and fecal indicators in surface water collected from wetlands in the Klamath Marsh National Wildlife Refuge, Oregon, 2017-2018 The data included here were gathered to determine the effects of cattle grazing on wetland water quality in the Klamath National Wildlife Refuge in Oregon. Surface water samples from sites representing a range of grazing histories were collected between June and October in 2017 and 2018. Samples were analyzed for nutrients (ammonia, nitrate plus nitrite, nitrite, and orthophosphate), total coliforms, E. coli, enterococci, and estrogenicity by U.S. Geological Survey laboratories. Basic water quality parameters such as temperature, pH, turbidity and specific conductance were also collected in the field during each site visit. Quality assurance samples (blanks and replicates) as well as method information is also included... Categories: Data; Tags: E. Coli, Klamath National Wildlife Refuge, USGS Science Data Catalog (SDC), biota, environment, All tags... estrogenicity, inlandWaters, nutrient content (water), surface water quality, total coliform, wetland ecosystems, Fewer tags Mercury concentrations in amphibian tissues across the United States, 2016-2021 Comma-separated values (.csv) file containing data related to amphibian sampling across the United States between 2016 and 2021. Data files contain mercury concentrations in amphibian and dragonfly tissues, mercury concentrations in sediment, as well as amphibian morphometrics, and habitat and climate characteristics where the samples were collected. Categories: Data; Tags: Aquatic Biology, California, Colorado, Connecticut, Ecology, All tags... Environmental Health, Louisiana, Maine, Manitoba, Massachusetts, Montana, Oregon, Pennsylvania, USGS Science Data Catalog (SDC), Vermont, Virginia, Water Quality, Wildlife Biology, Wisconsin, Wyoming, biota, environment, inlandWaters, mercury contamination, Fewer tags Chronic toxicity of azoxystrobin to freshwater amphipods, midges, cladocerans, and mussels in water-only exposures-Data Understanding the effects of fungicides on non-target organisms at realistic concentrations and exposure durations is vital for determining potential impacts on aquatic ecosystems. Environmental concentrations of the fungicide azoxystrobin have been reported up to 4.6µg/L in the United States and 30 µg/L in Europe. The objective of the present study was to evaluate the chronic toxicity of azoxystrobin in water-only exposures with an amphipod (Hyalella azteca; 42-d exposure), a midge (Chironomus dilutus; 50-d exposure), a cladoceran (Ceriodaphnia dubia; 7-d exposure), and a unionid mussel (Lampsilis siliquoidea; 28-d exposure) at environmentally relevant concentrations. The potential photo-enhanced toxicity of azoxystrobin... Categories: Data; Tags: Columbia, Environment, aquatic toxicology, fungicide PFAS Reconnaissance Landscape Data This dataset consists of summary data for potential landscape sources of per- and poly-fluoroalkyl substances (PFAS). These summary items include facilities from the Environmental Protection Agency (EPA) PFAS Analytics Tools, which were pulled from its Enforcement and Compliance History Online (ECHO), areas affected by fires (burned and urban burned areas) from Monitoring Trends in Burn Severity (MTBS), and landcover data from National Land Cover Dataset (NLCD) and Coastal Change Analysis Portal (C-CAP) around sites sampled as part of a National PFAS Tapwater Reconnaissance. These data are presented as a comma separated file, which includes summaries for all variables listed within a 5-kilometer buffer around each... Categories: Data; Tags: Environmental Health, PFAS, Puerto Rico, Tapwater, USGS Science Data Catalog (SDC), All tags... United States, Virgin Islands of the United States, Water Quality, drinking water use, facilities, land surface characteristics, land use and land cover, Fewer tags Chemical Concentrations and Microbiological Results for Assessment of Mixed-Organic/Inorganic Chemical Exposures in Tapwater in Mead, Nebraska, June 2022 and January 2023 In the United States and globally, the lack of data on contaminant exposure from unregulated private-well point-of-use (POU) tapwater (TW) is a recognized public health data gap and an obstacle to risk management and homeowner decision making. Mead, Nebraska, is an agricultural community about 30 miles west of Omaha. To help address the lack of data on broad contaminant exposures in TW sourced from private water wells, a total of 22 samples were collected from 18 private wells during June 2022 and January 2023 and analyzed for 495 organic compounds, 34 inorganic constituents, and 11 microbial groups. The organic compounds included pesticides, pharmaceuticals, volatile organic compounds (VOCs), disinfection byproducts... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Environmental Health, Nebraska, USGS Science Data Catalog (SDC), Water Quality, biota, All tags... environmental health, inorganic constituents, microbial constituents, organic constituents, private well, tap water, tapwater, Fewer tags Pesticide concentrations in surface waters of the Sacramento Valley rice-growing region, 2010 Surface water samples were collected from four stream/agricultural drain sites in the Sacramento Valley of California to measure pesticides commonly applied to rice. Samples were collected weekly from May through August 2010 to capture the rice pesticide application season. Water samples were filtered (0.7 µm) and extracted via solid-phase extraction. Additionally, the filter paper was solvent extracted to measure suspended sediment-associated pesticides. Both fractions were analyzed via gas chromatography-mass spectrometry. A total of 89 pesticides and pesticide degradates were measured in the dissolved water phase, while 14 pyrethroid insecticides were measured in the suspended sediment-associated fraction (pyrethroids... Categories: Data; Tags: California, Environmental Health, Sacramento Valley, USGS Science Data Catalog (SDC), Water Quality, All tags... contamination and pollution, environment, fungicides, herbicides, insecticides, pesticide and herbicide contamination, pesticides, surface water quality, suspended material (water), water quality, Fewer tags Current-use pesticides and emerging amphibian pathogens in natural ponds, excavated ponds, and stormwater basins from 24 sites varying in land-use classifications throughout the New Jersey Pinelands, 2014-2016 Water, sediment, anuran food (leaf litter and detritus) and whole body larval amphibian composites were analyzed for over 100 current-use pesticides from 24 wetlands representing land-use gradients in the New Jersey Pinelands, USA during 2014-2016. Emerging amphibian pathogens, Ranavirus and Batrachochytrium dendrobatidis (Bd) were also assessed in individual larvae at the 24 wetlands. Tables in this data release contain the results from these analyses, with quality assurance summaries, along with site information, including land-use classifications. Categories: Data; Tags: Aquatic Biology, New Jersey, Pinelands, USGS Science Data Catalog (SDC), Water Quality, All tags... Wildlife Biology, Wildlife Disease, amphibian disease, amphibian food, amphibians, land-use metrics, pesticides, ponds, sediment-quality, storm-water basins, tissue, water quality, Fewer tags Images and Identifications of Wild Bees Collected in Eastern Iowa, 2019 Bees were collected in 24 fields across eastern Iowa in summer 2019. This data collection was part of a pesticide study funded by the USGS Ecosystems Mission Area- Environmental Health Program. Bees were collected using the sweep net method and then were immediately placed on dry ice in the field. Bees were kept frozen to prevent degradation. In the lab, each wild bee was photographed from one or more angles using an AmScope microscope fitted with an MU1400 digital camera at 20x magnification. Bees were then morphologically identified based on the images. All images were checked for quality control before they were archived on this site. This data release includes 1) a text file with bee identifications and image... Categories: Data; Tags: Ecology, Environmental Health, Genetics, Iowa, Land Use Change, All tags... USGS Science Data Catalog (SDC), bees, biota, insects, Fewer tags Widespread legacy brine contamination from oil shales reduces survival of chorus frog larvae-Data Advances in drilling technique have facilitated a rapid increase in hydrocarbon extraction from energy shales, including the Williston Basin in central North America. This area overlaps with the Prairie Pothole Region and greater than 35% of wetlands are less than or equal to 1 km from a petroleum-related well. Legacy practices often released saline co-produced waters (brines) that were chloride rich wastes, affecting wetland water quality directly or persisting in sediments. Despite the potential threat of brine contamination to aquatic habitats, there has been little research into their ecological effects. We capitalized on a gradient of legacy brine-contaminated wetlands in northeast Montana to conduct laboratory... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Amphibians, Environment, Prairie Pothole Region, USGS Science Data Catalog (SDC), West Bearskin Lake, All tags... Wetland ecosystems, Williston Basin, aquatic biology, salinization, water pollution, water quality, Fewer tags Accumulated wastewater calculations for smallmouth bass sampling sites in the Shenandoah River Watershed, USA This data release presents calculated accumulated wastewater (ACCWW, as a percent of total streamflow) values for 43 National Hydrologic Dataset Version 2.1 (NHDPlus V2.1) stream segments coinciding with long-term smallmouth bass sampling locations (Table 1) in the Shenandoah River Watershed (encompassing parts of Virginia and West Virginia, USA). Values are calculated for quarter-year (Quarter 1 [Q1], January - March; Quarter 2 [Q2], April - June; Quarter 3 [Q3], July-September; Quarter 4 [Q4], October-December) time scales (Table 2) and annual time scales (Table 3) for years 2000 to 2018. Estimates at a stream segment represent the combined total upstream wastewater discharges as well as direct discharges into... Categories: Data; Tags: Aquatic Biology, Chesapeake Bay Watershed, Ecology, Shenandoah River Watershed, USGS Science Data Catalog (SDC), All tags... Virginia, Water Quality, West Virginia, flow accumulation, river reaches, streamflow, surface water quality, wastewater, water chemistry, water quality, water resources, water use, Fewer tags Concentrations of organic and inorganic constituents in tapwater samples from California in 2020-21 (ver. 3.1, March 2024) This dataset contains the trace elements, cations, anions, disinfection by-products, per- and polyfluoroalkyl substances (PFAS), pharmaceutical and pesticide concentration results for the tapwater study conducted in California, November, 2020 through May, 2021. Trace elements, cations and anions were analyzed at the U.S. Geological Survey Redox Chemistry Laboratory in Boulder, Colorado. The disinfection by-product compounds were analyzed at the U.S. Geological Survey Organic Chemistry Research Laboratory in Sacramento, California. Concentration results for PFAS, as well as surrogate percent recovery information, were analyzed at the National Water Quality Laboratory (NWQL) in Denver, Colorado, and were added in... Categories: Data, Data Release - Revised; Tags: California, USGS Science Data Catalog (SDC), biota, emerging contaminants, point-of-use, All tags... tapwater, Fewer tags