-
Federal
Enforcement and Compliance History Online (ECHO) Facilities
U.S. Environmental Protection Agency —
ECHO provides integrated compliance and enforcement information for about 800,000 regulated facilities nationwide. Its features range from simple to advanced,... -
City
DWSD CSO Event Data
City of Ferndale, Michigan —
Detroit Water & Sewerage waste water discharge event location data (2008-2014). Information on location and function of various structures involved with... -
Federal
Water Dischargers/IGD: EF_NPDES
U.S. Environmental Protection Agency —
EF_NPDES is a subset of facilities from FRS_PROGRAM_FACILITY and associated best-available geospatial coordinates which are refreshed daily. The layer shows only... -
Federal
Water Temperature Mapping of the Skykomish, Snoqualmie, and Middle Fork Snoqualmie Rivers, Washington—Longitudinal Stream Temperature Profiles, Significant Thermal Features, and Airborne Thermal Infrared and RGB Imagery Mosaics
Department of the Interior —
The Skykomish, Snoqualmie, and Middle Fork Snoqualmie River Basins have historically provided critical spawning, rearing, and core habitat for several salmonid... -
Federal
Thickness of the Surficial Aquifer, Delmarva Peninsula, Maryland and Delaware
Department of the Interior —
A digital map of the thickness of the surficial unconfined aquifer, including from the land surface and unsaturated zone to the bottom of sediments of geologic units... -
Federal
Base-flow index grid for the conterminous United States
Department of the Interior —
This 1-kilometer raster (grid) dataset for the conterminous United States was created by i nterpolating base-flow index (BFI) values estimated at U.S. Geological... -
Federal
Flow system boundary by D'Agnese and others (1997) for the Death Valley regional ground-water flow system study, Nevada and California
Department of the Interior —
This digital data set defines the flow-system boundary encompassing the regional ground-water flow model by D'Agnese and others (1997). The boundary encompasses an... -
Federal
Stream salamanders in abandoned mine habitats of New River Gorge National Park and Preserve
Department of the Interior —
Stream-like habitats in abandoned mine areas of New River Gorge National Park and Preserve were surveyed for stream salamanders in fall 2024. Methods included visual... -
Federal
Boundary of the ground-water flow model by D'Agnese and others (1997), for the Death Valley regional ground-water flow system study, Nevada and California
Department of the Interior —
This digital data set defines the boundary of the ground-water flow model by D'Agnese and others (1997). This steady-state, 3-layer ground-water flow model was... -
Federal
Digital map of the configuration of the base of the principal aquifer in the Elkhorn-Loup Model area, north-central Nebraska
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the Lewis and Clark Natural Resources District (NRD), Lower Elkhorn NRD, Lower Loup NRD, Lower Platte North... -
Federal
Reference springs in Nevada for the regional ground-water potential map by Bedinger and Harrill (2004), Death Valley regional ground-water flow system, Nevada and California
Department of the Interior —
This digital geospatial data set is a compilation of reference points representing springs in Nevada that were used for the regional ground-water potential map by... -
Federal
Reference wells for the regional ground-water potential map by Bedinger and Harrill (2004), Death Valley regional ground-water flow system, Nevada and California
Department of the Interior —
This digital geospatial data set is a compilation of reference points representing wells deeper than 300 meters in Nevada that were used for the regional ground-water... -
Federal
Digital map of the test-hole and well data used to estimate the configuration of the base of the principal aquifer and the geologic units underlying the principal aquifer in the Elkhorn-Loup model area, north-central Nebraska
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the Lewis and Clark Natural Resources District (NRD), Lower Elkhorn NRD, Lower Loup NRD, Lower Platte North... -
Federal
Polycyclic Aromatic Hydrocarbons (PAHs) in Parking Lot Dust and Pavement Runoff Receptor Sites in Augusta, Maine
Department of the Interior —
The dataset includes results from the analysis of sediments and solids collected from receptor sites receiving runoff from adjacent parking lots and other paved... -
Federal
Dataset of Groundwater and Surface Water Data Collection for the Walla Walla Basin in Washington, 2018-2022
Department of the Interior —
The semi-arid Walla Walla River Basin (WWRB) spans 1,777 square miles in Washington and Oregon and supports a diverse agricultural region as well as cities and rural... -
Federal
Boundary of the ground-water flow model by IT Corporation (1996), for the Death Valley regional ground-water flow system study, Nevada and California
Department of the Interior —
This digital data set defines the boundary of the steady-state ground-water flow model built by IT Corporation (1996). The regional, 20-layer ground-water flow model... -
Federal
Reference springs in California for the regional ground-water potential map by Bedinger and Harrill (2004), Death Valley regional ground-water flow system, Nevada and California
Department of the Interior —
This digital geospatial data set is a compilation of reference points representing springs in California that were used for the regional ground-water potential map by... -
Federal
Elemental Concentrations and Carbon and Oxygen Isotope Ratios in Mammillary Calcite from Devils Hole and Devils Hole II, Nevada, USA
Department of the Interior —
Elemental concentrations and stable oxygen and carbon isotope ratios are reported for five mammillary calcite specimens collected from the groundwater-filled fissures... -
Federal
Topographic reference points in Nevada for the regional ground-water potential map by Bedinger and Harrill (2004), Death Valley regional ground-water flow system, Nevada and California
Department of the Interior —
This digital data set is a compilation of reference points representing surface-water features, ground-water levels, and topographic settings in Nevada that were used... -
Federal
RES2DINV Format Continuous Resistivity Profiles Collected in the Neuse River, April 21, 2004
Department of the Interior —
The Neuse River Estuary in North Carolina is a broad, V-shaped water body located on the southwestern end of Pamlico Sound. This estuary suffers from severe...