1,906 datasets found
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Federal
Considerations when using nutrient inventories to prioritize water quality restoration/improvement efforts across the US
U.S. Environmental Protection Agency —
The corresponding database integrates multiple streams of information to provide estimates of fluxes and surpluses across urban and agricultural domains as well as... -
Federal
Dissolved noble gas data and helium mass balance models for the Colorado and Virgin Rivers
Department of the Interior —
Dissolved noble gas data were collected using a portable mass spectrometer mounted on inflatable rafts on the Colorado River near Glenwood Springs, Colorado and the... -
Federal
California Groundwater Ambient Monitoring and Assessment (GAMA) Program Domestic-Supply (Shallow) Aquifer Assessment Study Unit Boundaries for Assessment of Groundwater Resources
Department of the Interior —
The California Groundwater Ambient Monitoring and Assessment Program (GAMA) is a statewide assessment of groundwater quality designed to help better understand and... -
Federal
Continuous Monitoring and Synoptic Mapping of Nearshore Water Quality, Currents, and Bathymetry in Lake Michigan at 63rd Street Beach at Hyde Park, Illinois
Department of the Interior —
These data were collected as part of the Great Lakes Restoration Initiative (GLRI) project template 678-1 entitled “Evaluate immediate and long-term BMP effectiveness... -
Federal
Additive interaction between heterogeneous environmental quality domains (air, water, land, sociodemographic and built environment) on preterm birth
U.S. Environmental Protection Agency —
The study population included live births from the National Center for Health Statistics (NCHS) for the entire United States for the years 2000–2005 for all 3141... -
Federal
Water Quality Data from Kanuti National Wildlife Refuge Water Quality Assessment in Alaska Refuges Project sites.
Department of the Interior —
Water quality tabular dataset provided by the USGS National Water Quality Laboratory in Denver, Colorado. -
State
Interagency Ecological Program: Discrete water quality and phytoplankton data from the Sacramento River floodplain and Yolo Bypass tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998 - 2022
State of California —
The Yolo Bypass Fish Monitoring Program (YBFMP) operates a rotary screw trap and fyke trap and conducts biweekly beach seine and lower trophic surveys in addition to... -
Federal
Continuous water quality, suspended solids, and Enterococci data from the Harlem River, Bronx, New York, Jan 2021- Sept 2021: US Geological Survey data release
Department of the Interior —
This data set contains continuous water-surface elevation and water-quality (temperature, specific conductance, salinity, and turbidity) data recorded at 6- and... -
Federal
Nitrapyrin, 6-CPA, and Herbicide Concentrations in Streams in the Midwestern US (March 2016 to June 2017)
Department of the Interior —
Nitrapyrin, a nitrification inhibitor, 6-CPA, a nitrapyrin degradate, and three co-applied herbicides (acetochlor, atrazine, and metolachlor) were measured in water... -
Federal
Multisource surface-water-quality data for the Delaware River Basin
Department of the Interior —
Jointly managed by multiple states and the federal government, there are many ongoing efforts to characterize and understand water quality in the Delaware River Basin... -
Federal
Hydrologic and Landscape Database for the Cahaba River National Wildlife Refuge and Contributing Watersheds, Alabama
Department of the Interior —
This hydrologic and landscape database was developed by the U.S. Geological Survey, in cooperation with the U.S. Fish and Wildlife Service for the Cahaba River... -
Federal
Laboratory optical measurements in support of assessing PFAS enrichment in natural foams on surface waters within the Delaware River Basin
Department of the Interior —
One phenomenon that has been shown to concentrate and release per- and polyfluoroalkyl substances (PFAS) in surface water is the formation of natural foams. For... -
Federal
NLCD & EnviroAtlas %IC for selected metropolitan areas
U.S. Environmental Protection Agency —
Several files of percentage impervious cover (%IC) from 30-m and 1-m data. The individual files contain %IC for different spatial support units. This dataset is... -
State
Pheasant Crowing Counts - Yolo Bypass Wildlife Area -2016-2024
State of California —
The data included the number of pheasant crows heard at 28 fixed survey points within the Yolo Bypass WA. When conditions allow, surveys are conducted twice a month,... -
Federal
Per- and polyfluoroalkyl substances (PFAS), volatile organic compounds, biogeochemical, and water quality data from seep samples, Lower Darby Creek Area Superfund Site, near Folcroft, Pennsylvania, 2024
Department of the Interior —
This metadata record contains one table and one shapefile with results from field sampling at locations of groundwater discharge (seeps) identified by autonomous boat... -
Federal
Groundwater-Quality Data in the Yuba and Bear Watersheds Shallow Aquifer Study Unit, 2015-2016: Results from the California GAMA Priority Basin Project
Department of the Interior —
The U.S. Geological Survey collected groundwater samples from 71 domestic wells and 4 springs in Nevada, Yuba, Sierra, and Placer Counties, California in 2015-2016.... -
Federal
Aquatic prey resources in response to estuary restoration in Willapa Bay, Washington (2014-2015)
Department of the Interior —
The ongoing restoration of more than 200 hectares of estuarine habitat at Willapa National Wildlife Refuge, southwestern Washington, is expected to benefit a variety... -
Federal
Extent of Artesian Conditions in San Joaquin Valley, CA in 1910
Department of the Interior —
Depth-to-water data in the San Joaquin Valley, CA were collected in 1910 and published in Mendenhall and others, 1916. These data were used to create a depth-to-water... -
Federal
Assessing spatial variability of nutrients, phytoplankton and related water-quality constituents in the California Sacramento-San Joaquin Delta at the landscape scale: 2020-2021 High-resolution mapping surveys
Department of the Interior —
The dataset documents the spatial and temporal variability of nutrients, phytoplankton, and related water quality parameters at high spatial resolution in the... -
Federal
Niobrara National Scenic River Small-Scale Base GIS Data
Department of the Interior —
This data set contains small-scale base GIS data layers compiled by the National Park Service Servicewide Inventory and Monitoring Program and Water Resources...
1,906 datasets found