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Found 202 dataset(s) matching "dissolved contaminants".
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This study was based on the sediment quality triad (SQT) approach. A stratified probabilistic sampling design was utilized to characterize the Delaware Bay system in terms of chemical...
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This data release contains bioassay data from sediment toxicity tests conducted by the USGS Columbia Environmental Research Center (CERC) with 66 sediment samples collected from in and around the...
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This data release contains chemistry and toxicity data from sediment toxicity tests conducted by the USGS Columbia Environmental Research Center (CERC) with 66 sediment samples collected from in...
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We investigated the survival and reproductive success of Ceriodaphnia dubia that were exposed to a concentration series of four current-use fire retardants (Phos-Chek 259-Fx Phos-Chek MVP-Fx,...
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This data release contains the concentration and quality assurance results for 29 streams, sampled twice, and 1 stream, sampled once, in the Chesapeake Bay Delmarva row crop region (Maryland and...
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In a crude-oil-contaminated sandy aquifer at the Bemidji site in northern Minnesota, biodegradation of petroleum hydrocarbons resulted in transient increases in magnetic susceptibility under high...
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The U.S. Geological Survey (USGS), in cooperation with the Miami Conservancy District, Dayton, Ohio, in 2019 and 2020 investigated the concentrations of per- and polyfluoroalkyl substances (PFAS)...
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Bacterial Data include results of incubations of lakewater bacteria with dissolved organic matter extracted from Colorado glacier or rock glacier outflows in 2015. Cells were counted pre- and...
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<p>The Conservation Practice Effectiveness Database compiles information on the effectiveness of a suite of conservation practices. This database presents a compilation of data on the...
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Historical lead mining in Madison County, Missouri, USA has left a legacy of metals contamination. Laboratory studies were conducted to examine the effect of water hardness and age of crayfish on...
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Historical lead mining in Madison County, Missouri, USA has left a legacy of metals contamination. Laboratory studies were conducted to examine the effect of water hardness and age of crayfish on...
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This dataset characterizes water quality and quantity data from 33 storm events at the influent and effluent of a stormwater treatment vault modified with a Coanda-effect screen in Madison,...
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Groundwater samples were collected in June 2018 from a background (reference) well located 200 m upgradient from the source and five wells along a flowline in the plume at 39, 68, 102, 125, and...
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The Santa Clara River Lakes, located along the San Andreas fault 19 miles northwest of Palmdale, California, were placed on the state’s “303(d) List” or “Impaired Water List” in 1996 for eutrophic...
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Groundwater age distributions and susceptibility to natural and anthropogenic contaminants were assessed for selected wells across Minnesota. The data provide information to understand how long it...
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The Falcon Refinery Superfund Site (hereinafter referred to as “the Site”) is located in San Patricio County near Ingleside, Texas. The Site occupies approximately 104 noncontiguous acres that are...
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In 2002, the Environmental Protection Agency (EPA) Environmental Monitoring and Assessment Program (EMAP) National Coastal Assessment (NCA), in conjunction with state agencies, Region 9, and the...
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This record provides physical, chemical, and pathogenic bacteria water quality metrics collected between February 2023 to January 2025 to provide reference data of nearshore and watershed water...
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A novel U.S. Geological Survey-developed active water sampler was deployed at Ulatis Creek in Solano County, California for 24 hours from November 15, 2023 to November 16, 2023. Discrete surface...
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The release of elements of concern (EoC) to surface water can involve both natural and anthropogenic sources. Elevated EoC concentrations can pose a risk to human health, wildlife, and ecosystem...
