Data

This metadata record consists of 16 tables containing data generated from laboratory experiments of trichloroethene (TCE) biodegradation and during field characterization and performance monitoring of a groundwater bioremediation pilot test conducted at Site K, Former Twin Cities Army Ammunition Plant, Arden Hills, Minnesota. The data were collected from December 2020 through December...

These datasets in this release contain information and results for the Washington D.C. StreamStats project in Washington D.C. and parts of Delaware, Maryland, New Jersey, Pennsylvania, and Virginia. These datasets were created to support the Washington D.C. StreamStats project funded by the Washington D.C. Department of Energy and Environment (DOEE): Digital elevation model (DEM), flow...

This metadata record contains 5 tables of sediment concentration data used to assess correlations of land use with detections and concentrations of polychlorinated biphenyls, per-and- poly-fluoroalkyl substances, elemental metal composition, percent organic carbon and fines. Microbial communities were measured in each sample to identify the presence of dechlorinating microorganisms in...

This data release includes six comma delimited tables detailing elemental analysis results of sediment, surface water, and shallow groundwater samples collected in the vicinity of an unnamed tributary to Midway Branch in Patuxent Research Refuge, Odenton, Maryland. “MidwayBr_sediment.csv,” “MidwayBr_water_metals.csv,” and “MidwayBr_water_anions.csv” contain elemental analysis results for...

This data release includes 18 JPEG files of imagery collected during a thermal infrared (TIR) survey on February 2nd, 2024, of an unnamed tributary to Midway Branch in Odenton, Maryland. Images include thermograms and collocated photographs of shallow groundwater seep locations. This data release also includes two comma delimited tables of groundwater seep information and references to...

This data release includes five comma delimited tables that support sediment fingerprinting efforts within the Esopus Creek watershed. "Catskills_source_sample_data.csv" and "Catskills_target_sample_data.csv" contain elemental, stable isotope, and particle size analysis results to be used for sediment fingerprinting analysis. "Catskills_source_sample_info.csv" and "Catskills_target...

This data release includes one comma delimited table that represents a summary of source and target samples collected for White Clay Creek between 2020 and 2023, in support of sediment fingerprinting modelling. This table contains sediment sample information and results of particle size, elemental composition, and fallout radionuclide analyses. Any use of trade, firm, or product names is...

This dataset is a collection of hyperspectral imagery profiles of algae, many of which are associated with Harmful Algae Blooms (HABs). Data were collected using a microscope-based hyperspectral imaging system with the cooperation of the National Institute of Standards and Technology. Samples were collected from U.S. Geological Survey (USGS), Maryland Department of Natural Resources, and...

This dataset contains 4,952 feather files with time series of all model inputs for machine learning models predicting streamflow drought across the conterminous United States (CONUS). These data are designed to support both gaged model training and ungaged prediction through the inclusion of WaterWatch gridded runoff estimates. Files contain weekly time series of streamflow percentiles

The data provided are same-day matchups between in-situ, sonde-based phycocyanin measurements collected across the contiguous United States (CONUS) and Sentinel-2 Level-2A MSI data from 2015 to 2024. The in-situ data are composed of EXO sonde-based phycocyanin measurements, with other optically active water quality constituents included where available. These data are designed for...

Annual and seasonal trends in nitrogen and phosphorus loads, mean concentrations (flow-weighted loads), mean yields (area-weighted loads), and possible related stresses on aquatic ecology were estimated for the period December 1999 through November 2020 for each of 261,247 individual stream reaches and 81,717 12-digit hydrologic units (HUC12s) in the conterminous United States (CONUS)...

This model application data release contains seasonal source-specific estimates of total nitrogen (TN) and total phosphorus (TP) loading in streams across the conterminous United States (263,494 reaches) for 21 years from 2000 through 2020 using a dynamic SPARROW (SPAtially Referenced Regressions On Watershed attributes) model. All model files are provided to reproduce the output...