-
Federal
Maps of water depth derived from satellite images of the Potomac River acquired in July and August of 2021
Department of the Interior —
Information on water depth in river channels is important for a number of applications in water resource management but can be difficult to obtain via conventional... -
Federal
True color aerial imagery from unmanned aerial systems (UAS) flights: Potomac River in Shepherdstown, West Virginia on October 21, 2019
Department of the Interior —
These digital images were taken over an area of the Potomac River in Shepherdstown, West Virginia using 3DR Solo unmanned aircraft systems (UAS) on October 21, 2019.... -
Federal
Nitrogen flux estimates in support of Chesapeake Bay Hypoxia and Anoxia forecasts, 1985-2024
Department of the Interior —
Data release includes the U.S. Geological Survey (USGS) estimate of spring nitrogen fluxes summed from nine tributaries to the Chesapeake Bay from 1985 to 2024. Data... -
Federal
Chesapeake Bay non-tidal network shapefiles for selected watershed boundaries
Department of the Interior —
This metadata report documents a shapefile of watershed boundaries for 84 selected United States Geological Survey (USGS) water quality stations that are part of the... -
Federal
Metabarcode sequencing of aquatic environmental DNA from the Potomac River Watershed, 2015-2020
Department of the Interior —
Biological indicator taxa have long been used for integrative assessments of water quality, particularly benthic invertebrate groups such as arthropods. While... -
Federal
Radiometric thermal aerial imagery from unmanned aerial systems (UAS) flights: Potomac River in Point of Rocks, Maryland on October 24, 2019
Department of the Interior —
These digital images were taken over an area of the Potomac River in Point of Rocks, Maryland using 3DR Solo unmanned aircraft systems (UAS) on October 24, 2019.... -
Federal
Maps of water depth derived from satellite images of selected reaches of the American, Colorado, and Potomac Rivers acquired in 2020 and 2021 (ver. 2.0, September 2024)
Department of the Interior —
Information on water depth in river channels is important for a number of applications in water resource management but can be difficult to obtain via conventional... -
Federal
Static soils, climate, hydrologic, topographic, and geographic characteristics for selected Chesapeake Bay watersheds
Department of the Interior —
This dataset contains values of soils, climate, hydrologic, topographic, and other geographic characteristics such as drainage area. These are considered "static"... -
Federal
Palmer Hydrological Drought Index (PHDI) values for selected Chesapeake Bay watersheds
Department of the Interior —
This dataset contains values of the Palmer Hydrological Drought Index (PHDI) for annual and seasonal periods from 1985-2012. Values are derived from data based on... -
Federal
Environmental Sampling to Characterize Surface-Water Quality at 32 Sites Across the Potomac River Watershed, 2022
Department of the Interior —
This data release presents chemical results from investigations of surface-water quality in the Potomac River watershed (encompassing Washington, D.C. and parts of... -
Federal
Organic contaminants, including hormones, pesticides, pharmaceuticals and other endocrine disrupting compounds, and estrogenicity data in select surface water samples as well as organic contaminants in bed sediment samples collected in Chesapeake Bay watershed in parts of Maryland, Pennsylvania, and West Virginia, 2012-2018 (ver. 2.0, August 2020)
Department of the Interior —
These data represent surface water and bed sediment samples analyzed for a variety of organic compounds. The samples were collected in streams and rivers in the... -
Federal
Nitrogen flux estimates in support of Chesapeake Bay Hypoxia and Anoxia forecasts, 1985-2023
Department of the Interior —
Data release includes the U.S. Geological Survey (USGS) estimate of spring nitrogen fluxes summed from nine tributaries to the Chesapeake Bay from 1985 to 2023. Data... -
Federal
Nutrient contributions from point sources, combined sewer overflows, and wastewater treatment plants for selected Chesapeake Bay watersheds
Department of the Interior —
The dataset contains estimates for total nitrogen and total phosphorus loads from point sources, combined sewer overflows, wastewater treatment plants that discharge... -
Federal
Radiometric thermal aerial imagery from unmanned aerial systems (UAS) flights: Potomac River in White's Ferry, Maryland on October 23, 2019
Department of the Interior —
These digital images were taken over an area of the Potomac River in White's Ferry, Maryland using 3DR Solo unmanned aircraft systems (UAS) on October 23, 2019. These... -
Federal
Potomac River ADCP Bathymetric Survey, October 2019
Department of the Interior —
Water-penetrating LiDAR technology was used to remotely sense bathymetric elevation data as part of a spatial data acquisition on the Potomac River. In support of... -
Federal
Annual spring nitrogen fluxes for nine Chesapeake Bay tributary monitoring sites, 1985 to 2020
Department of the Interior —
Data release includes the U.S. Geological Survey (USGS) estimate of spring nitrogen fluxes from nine tributaries to the Chesapeake Bay from 1985 to 2020. Data are... -
Federal
Percent agricultural land enrolled in the Conservation Reserve Program for selected Chesapeake Bay watersheds
Department of the Interior —
These data report the percent of agricultural land, within each selected Chesapeake Bay watershed, that is enrolled in the Conservation Reserve Program (CRP), based... -
Federal
Potomac River Watershed Accumulated Wastewater Ratios and Predicted Environmental Concentrations
Department of the Interior —
Treated effluent from wastewater treatment plants (WWTPs) contains contaminants not fully removed during the treatment process and that may pose environmental health... -
Federal
Percent impervious surface for selected Chesapeake Bay watersheds
Department of the Interior —
This dataset contains watershed means of estimated percent impervious surfaces for three time periods: 1992, 2002, and 2012. Estimates are based on coefficients... -
Federal
True color aerial imagery from unmanned aerial systems (UAS) flights: Potomac River in White's Ferry, Maryland on October 23, 2019
Department of the Interior —
These digital images were taken over an area of the Potomac River in White's Ferry, Maryland using 3DR Solo unmanned aircraft systems (UAS) on October 23, 2019. These...