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Federal
Field portable X-ray fluorescence data for Hinkley and Water Valleys, San Bernardino County, California
Department of the Interior —
These data were collected using field portable (handheld) X-ray fluorescence (pXRF) equipped with a 4-watt Ta/Au X-ray tube. Samples of surficial alluvium, rock, and... -
Federal
Occurrence of per- and polyfluoroalkyl substances, Long Island and New York City, New York
Department of the Interior —
State and local county health departments have detected per- and polyfluoroalkyl substances (PFAS) in groundwater downgradient of airports and military and... -
Federal
Nutrient balances, river loads, and a counterfactual analysis to determine drivers of Mississippi River nitrogen and phosphorus loads between 1975 and 2017
Department of the Interior —
This data release includes data processing scripts, data products, and associated metadata for a study investigating trends in Mississippi River nitrogen and... -
Federal
Estimates of the distribution and refugial properties of cliff-face seeps across the Pacific Northwest (low-confidence predictions included)
Department of the Interior —
Microrefugia can play an important role in determining biological responses to climate change, but the location and characteristics of these habitats are often poorly... -
Federal
Chesapeake Bay Nontidal Network 1985-2016: WRTDS output data
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data... -
Federal
Klamath Basin Restoration Agreement Off-Project Water Program Evapotranspiration Map for May 2006
Department of the Interior —
Hydrological Information Products for the Off-Project Water Program of the Klamath Basin Restoration Agreement U.S. Geological Survey Open-File Report 2012-1199 U.S.... -
Federal
Water-quality and streamflow datasets used in the Weighted Regressions on Time, Discharge, and Season (WRTDS) models to determine trends in the Nation’s rivers and streams, 1972-2012(output)
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
DCHC--water balance events summary
Department of the Interior —
This tabular dataset includes precipitation data, inflow and outflow data, and other associated data for a bioretention garden in Douglas County, Nebraska. At the... -
Federal
MODFLOW-NWT model used to assess groundwater availability in the uppermost principal aquifer systems of the Williston structural basin, United States and Canada
Department of the Interior —
A three-dimensional groundwater flow model was developed to characterize groundwater resources the uppermost principal aquifers in the Williston structural basin in... -
Federal
Chemical Data From 40 Years of Monitoring a Treated-Wastewater Groundwater Plume in a Sand and Gravel Aquifer, Cape Cod, Massachusetts, 1978-2018 (ver. 1.1, April 2025)
Department of the Interior —
This U.S. Geological Survey data release provides a comprehensive dataset of water-quality data and sampling-site characteristics collected in 1978–2018 during a... -
Federal
Environmental Data in Relation to the Occurrence and Toxicity of Pseudo nitzschia in Frenchman Bay, Maine, 2010 to 2021
Department of the Interior —
This dataset includes CSV data files containing environmental data that may be associated with the occurrence and toxicity of the diatom Pseudo nitzschia in Frenchman... -
Federal
Klamath Basin Restoration Agreement Off-Project Water Program Evapotranspiration Map for September 2004
Department of the Interior —
Hydrological Information Products for the Off-Project Water Program of the Klamath Basin Restoration Agreement U.S. Geological Survey Open-File Report 2012-1199 U.S.... -
Federal
A multi-year record of chemical and isotopic composition of water from springs of the Shenandoah National Park, Virginia
Department of the Interior —
During October 1995 through March 2014, the U.S. Geological Survey in cooperation with the National Park Service, Luray, Virginia Station collected and analyzed... -
Federal
Microbial Ecology of the Floridan Aquifer near Okeechobee, FL: Uptake and Inactivation Data
Department of the Interior —
This metadata record describes the microbial uptake of nutrients by native planktonic and biofilm-associated bacteria and the inactivation of E. coli, MS2... -
Federal
Groundwater discharge areas for Antelope, Kobeh, and Monitor Valleys, Central Nevada, 1964
Department of the Interior —
This dataset represents "phreatophyte areas" mapped as part of a groundwater reconnaissance effort in four valleys in central Nevada and published in 1964. The data... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2019: WRTDS input data
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay River Input Monitoring stations: Water years 1985-2022
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay Nontidal Network stations: Water years 1985-2020 (ver. 2.0, January 2023)
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Klamath Basin Restoration Agreement Off-Project Water Program Evapotranspiration Map for October 2006
Department of the Interior —
Hydrological Information Products for the Off-Project Water Program of the Klamath Basin Restoration Agreement U.S. Geological Survey Open-File Report 2012-1199 U.S.... -
Federal
Water-quality trends for rivers and streams in the Delaware River Basin using Weighted Regressions on Time, Discharge, and Season (WRTDS) models, Seasonal Kendall Trend (SKT) tests, and multisource data, Water Year 1978-2018.
Department of the Interior —
This data release provides water-quality trends for rivers and streams in the Delaware River Basin determined using the Weighted Regressions on Time, Discharge, and...