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Federal
Water Quality Collected on Lake Erie Transects on June 25, 2015
Department of the Interior —
This data release supports the following publication: Hittle, Elizabeth, 2017, Longshore Water-Current Velocity and the Potential for Transport of Contaminants: A... -
Federal
Inventory of water-quality and geologic-setting data from 674 private wells in Connecticut, 2013-2015
Department of the Interior —
This dataset contains the water-quality results from the testing of unfiltered water samples (environmental samples) collected from 674 private wells in Connecticut... -
Federal
Magnetotelluric sounding data in the Silverton Caldera complex, Colorado, 2019
Department of the Interior —
This dataset includes magnetotelluric (MT) sounding data collected in July 2019 in the Silverton Caldera complex, Colorado, in the Southern Rocky Mountain Volcanic... -
Federal
Chemistry of water, stream sediment, wildfire ash, soil, dust, and mine waste for Fourmile Creek Watershed, Colorado, 2010-2019
Department of the Interior —
In response to the 2010 Fourmile Canyon fire near Boulder, Colorado, the U.S. Geological Survey collected data to support investigations into the magnitude and... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2019: Short- and long-term trends
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
Graphics supporting analysis of general water-quality conditions, long-term trends, and network analysis at selected sites within the Missouri Ambient Water-Quality Monitoring Network 1993–2017
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the Missouri Department of Natural Resources (MDNR), collects data pertaining to the surface-water resources of... -
Federal
Data tables supporting analysis of general water-quality conditions, long-term trends, and network analysis at selected sites within the Missouri Ambient Water-Quality Monitoring Network, water years 1993–2017
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the Missouri Department of Natural Resources (MDNR), collects data pertaining to the surface-water resources of... -
Federal
Modeled nutrient and sediment concentrations from major rivers in Illinois based on continuous monitoring from October 1, 2015, through September 30, 2020
Department of the Interior —
During water years 2016–2020, the U.S. Geological Survey, in cooperation with the Illinois Environmental Protection Agency, operated continuous monitoring stations on... -
Federal
SPARROW model input datasets and predictions of nitrogen loads in streams of the Chesapeake Bay watershed
Department of the Interior —
This data release contains mean-annual total nitrogen (TN) loads predicted by a SPARROW model for individual stream and shoreline reaches in the Chesapeake watershed... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2020: WRTDS output 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
Data from Decadal Change in Groundwater Quality Web Site, 1988-2016
Department of the Interior —
Evaluating Decadal Changes in Groundwater Quality: Groundwater quality data were collected from 5,000 wells between 1988-2001 by the National Water-Quality Assessment... -
Federal
Influence of dissolved organic carbon on the acute toxicity of copper to white sturgeon (Acipenser transmontanus) and the cladoceran (Ceriodaphnia dubia)-Data
Department of the Interior —
This dataset characterizes the acute toxicity of copper and zinc to white sturgeon (~30 days post hatch) and cladocerans (less thab 24 hours old) in waters with... -
Federal
Upper Delaware River National Parks Hyperspectral Imagery Analysis of Submerged Aquatic Vegetation: Remote Sensing Data
Department of the Interior —
Hyperspectral remote sensing of submerged aquatic vegetation is a complex and difficult process that is affected by unique constraints on the energy flow profile near... -
Federal
Sampling site information, well construction details, and data dictionaries for data sets associated with the National Crude Oil Spill Fate and Natural Attenuation Site near Bemidji, Minnesota (ver. 4.0, September 2025)
Department of the Interior —
This U.S. Geological Survey data release provides detailed sampling site information, hole and well construction details, and data dictionaries necessary to interpret... -
Federal
Concentrations of tetrachloroethylene groundwater from York, Nebraska, 2011-2016.
Department of the Interior —
These data contain concentrations of tetrachloroethylene in groundwater samples collected from 2011 to 2015 by the EPA. These data are a subset of all the groundwater... -
Federal
Uinta Basin Ground and Surface Water Quality Records
Department of the Interior —
This database includes water quality records compiled at the request of the Bureau of Land Management for the Uinta Basin in Utah and Colorado. All data contained... -
Federal
Selected Chemical and Physical Properties and Inorganic Constituents and Time-Series Nitrate in Samples from selected wells and/or springs, Petaluma Valley watershed, Sonoma County, California, 1959-2015
Department of the Interior —
This data release contains appendix C1 and appendix C2 for the USGS Scientific Investigations Report (SIR) titled Hydrologic and Geochemical Characterization of the... -
Federal
Great Lakes Network Water Quality Discrete Sampling Data
Department of the Interior —
Backend file for NPSTORET (DataStore Record 2249960) water quality database. File includes all discrete sampling data for Lakes, Rivers and Streams prior to an... -
Federal
Specific Water Quality Sites for Weber County, Utah
Department of the Interior —
This map shows specific water-quality items and hydrologic data site information which come from QWDATA (Water Quality) and GWSI (Ground Water Information System).... -
Federal
USGS Measurements of Water Quality in San Francisco Bay (CA), 1969-2015 (ver. 4.0 March 2023)
Department of the Interior —
The U.S. Geological Survey maintains a program of water-quality studies in San Francisco Bay (CA) that began in 1969. This Data Release archives and makes available...