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Per- and polyfluoroalkyl substances (PFAS) results in tapwater samples, in select areas within the United States, beginning 2023 (ver. 2.0, June 2025) Per- and polyfluoroalkyl substances (PFAS) results in tapwater samples, in select areas within the United States, beginning 2023 (ver. 2.0, June 2025)
This data release provides concentration results for per- and polyfluoroalkyl substances (PFAS) collected by volunteer community members, in tapwater samples from 83 private residences, in select areas within the United States. Samples were collected July 1, 2023, through November 10, 2023. Samples were analyzed at the U.S. Geological Survey National Water Quality Laboratory (NWQL) in...
Floodplain forest vegetation cover maps to support effectiveness monitoring of channel and floodplain restoration projects along the Willamette River, Oregon (ver. 1.1, August 2025) Floodplain forest vegetation cover maps to support effectiveness monitoring of channel and floodplain restoration projects along the Willamette River, Oregon (ver. 1.1, August 2025)
This dataset consists of repeat vegetation cover maps of multiple Willamette River restoration sites where restoration activities were implemented to increase the area of floodplain forests. Beginning in the early 21st century, large-scale restoration programs have been implemented along the Willamette River, Oregon, to address historical losses of floodplain habitats for native fish...
MODFLOW-OWHM Used to Characterize the Groundwater Flow System of the Central Valley MODFLOW-OWHM Used to Characterize the Groundwater Flow System of the Central Valley
A three-dimensional groundwater flow model of the Central Valley in California was developed to aid water managers in understanding how water moves through the aquifer system, to predict water-supply scenarios, and to address issues related to subsidence. The USGS California Water Science Center made a detailed assessment of groundwater availability of the Central Valley aquifer system...
Fish Community Data from Natural Channel Sections of the Mohawk River, NY Fish Community Data from Natural Channel Sections of the Mohawk River, NY
The dataset is composed of two data tables containing information from boat electrofishing surveys conducted during 2021, 2023, and 2024 in sections of the Mohawk River where it runs separately from the New York State Canal System (i.e., is not canalized). The first table contains fish collection data and the second table contains information on the sampled reaches.
Per- and polyfluoroalkyl substances (PFAS), volatile organic compounds, biogeochemical, and water quality data from seep samples, Lower Darby Creek Area Superfund Site, near Folcroft, Pennsylvania, 2024 Per- and polyfluoroalkyl substances (PFAS), volatile organic compounds, biogeochemical, and water quality data from seep samples, Lower Darby Creek Area Superfund Site, near Folcroft, Pennsylvania, 2024
This metadata record contains one table and one shapefile with results from field sampling at locations of groundwater discharge (seeps) identified by autonomous boat survey at the Lower Darby Creek Area (LDCA) Superfund Site, near Folcroft, Pennsylvania, in 2024. Included in the dataset are (1) PFAS concentrations, volatile organic compound (VOC) concentrations, cations/trace metals...
Sea Turtle Nesting Decision Points and Beach Profile Data on Florida Beaches Sea Turtle Nesting Decision Points and Beach Profile Data on Florida Beaches
This dataset, collected and prepared by the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center (USGS - SPCMSC), includes sea turtle nesting decision point locations and cross-shore beach profiles at those locations. The data were collected by a person walking with a survey backpack equipped with a Global Positioning System (GPS) receiver and GPS antenna. The surveys...