Search datasets
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This dataset contains replicate samples collected in the field by community technicians. No field replicates were collected in 2012. Replicate constituents with differences less than 10 percent...
Search relevance: 207.91 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:21 PM -
This U.S. Geological Survey (USGS) data release contains groundwater quality data for twelve wells in Suffolk County, New York and associated quality assurance results. Samples were collected...
Search relevance: 73.84 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:22 PM -
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...
Search relevance: 67.76 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 09:38 PM -
In June and July of 2020, 45 groundwater wells in McHenry County, Illinois, were sampled for water quality (field properties, major ions, nutrients, and trace metals) and 12 wells were sampled for...
Search relevance: 64.53 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:54 PM -
These data were collected in cooperation with the Virginia Department of Environmental Quality (VADEQ) to document the occurrence of Per- and Polyfluoroalkyl Substances (PFAS) in streams and...
Search relevance: 64.18 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:54 PM -
Here, we present the results supporting Table 2 in Field Techniques for Fluorescence Measurements Targeting Dissolved Organic Matter, Hydrocarbons, and Wastewater in Environmental Waters:...
Search relevance: 63.46 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:12 PM -
This U.S. Geological Survey Data Release provides surface-water and bed sediment quality data at the Bronx River, New York, 2019. The data were collected with support from the Urban Waters Federal...
Search relevance: 61.80 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:17 PM -
This data release contains field measurements and discrete surface water sample results for parameters related to the assessment of harmful algal blooms. Field measurements include fluorescent...
Search relevance: 59.48 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:46 PM -
As part of the Triangle Area Water Supply Monitoring Program, the U.S. Geological Survey conducted a study to evaluate the occurrence and distribution of mercury in 14 streams and 15 reservoirs in...
Search relevance: 59.39 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:02 PM -
This U.S. Geological Survey Data Release provides surface-water and bed sediment quality data at the Bronx River, New York, 2019. The data were collected with support from the Urban Waters Federal...
Search relevance: 59.35 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:04 PM -
Samples for per- and polyfluoroalkyl substances (PFAS) were collected from 10 domestic wells to assess the extent to which PFAS is coming from the groundwater aquifer or from another source within...
Search relevance: 58.75 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:50 PM -
This data release contains 1-4 dioxane, per- and polyfluoroalkyl substances (PFAS), chlorofluorocarbons (CFCs), methyl tert-butyl ether (MTBE), and trihalomethanes (THMs) concentration data from...
Search relevance: 57.28 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:37 PM -
These data were collected to understand the occurrence of per- and polyfluoroalkyl substances (PFAS) in drinking water samples at selected public water systems in West Virginia identified to have...
Search relevance: 56.87 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:09 PM -
This dataset includes shallow surface sediment (top 0–2 cm interval) constituent concentration data (primarily) and microbial methylmercury production potential rate data (limited) collected from...
Search relevance: 50.65 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:45 PM -
This dataset includes shallow surface sediment (top 0–2 cm interval) constituent concentration data (primarily) and microbial methylmercury production potential rate data (limited) collected from...
Search relevance: 46.85 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:18 PM -
From May to December 2017, 48 environmental samples and six quality control samples were collected throughout the Upper Hudson and Central New York River Basins. Samples were collected from nine...
Search relevance: 42.53 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:44 PM -
This data release provides data in support of an assessment of water quality and discharge in the Herring River at the Chequessett Neck Road dike in Wellfleet, Massachusetts, from November 2015 to...
Search relevance: 40.34 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:38 PM -
[NOTE - 2022-09-07: this dataset is superseded by an updated version https://doi.org/10.15482/USDA.ADC/1526433 ] This dataset consists of weather data for each year when maize was grown for...
Search relevance: 24.85 | Views last month: 3 | Catalog Last Checked: October 09, 2026 at 04:38 PM
