1,810 datasets found
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Federal
Water Quality Data
Department of the Interior —
Water quality data for the Refuge collected by volunteers collected once every two weeks: Turbidity, pH, Dissolved oxygen (DO), Salinity & Temperature. Sampling... -
Federal
USGS Water Data for the Nation
Department of Energy —
The U.S. Geological Survey maintains national data bases of water-use information. The data are collected and compiled every five years for each State, the District... -
Federal
National Hydrography Dataset Plus - NHDPlus
U.S. Environmental Protection Agency —
This high-level metadata data document will be supplemented with detailed regional metadata at a later date. The NHDPlusV2 is an integrated suite of application-ready... -
City
Water Quality Sampling Data
City of Austin —
Data collected to assess water quality conditions in the natural creeks, aquifers and lakes in the Austin area. This is raw data, provided directly from our Water... -
Federal
Estimates of lake nitrogen, phosphorus, and chlorophyll-a concentrations to characterize harmful algal bloom risk across the United States
U.S. Environmental Protection Agency —
The objective of this research was to predict nutrient, chlorophyll-a, and associated harmful algal bloom, hypoxia, and eutrophication effects in US lakes. This... -
Federal
Gulf Coast Network 1976-2025 Water Quality Data from Ten Park Projects as of 2026-02-10
Department of the Interior —
This data package was created 2026-02-10 10:38:31 by NPSTORET and includes selected project, location, and result data. Data contained in the Gulf Coast Network... -
Federal
San Francisco Bay Area Network Water Quality Data for Three Projects from 2003-2025 as of 2026-02-17
Department of the Interior —
This data package was created 2026-02-25 10:44:08 by NPSTORET and includes selected project, location, and result data. Data contained in the San Francisco Bay Area... -
Potomac Interceptor E. coli Sample Results
District of Columbia —
A regional dataset containing E. coli monitoring sampling results collected along the Potomac and Anacostia Rivers, in response to the January 2026 Potomac Interceptor... -
Federal
Yellowstone National Park 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... -
Permeable Surface Rebate Eligibility Zone
District of Columbia —
District homeowners who remove impervious surfaces and replace them with permeable pavement or re-vegetate them to reduce and/or treat stormwater runoff from... -
Federal
Badlands National Park 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... -
Federal
Census Tract EQI
U.S. Environmental Protection Agency —
The Environmental Quality Index (EQI) accounts for the multiple domains of the environment with which humans interact. These domains include chemical, natural, built,... -
Federal
Invasive Crabs Inventory at Assateague Island National Seashore - Open Format Dataset
Department of the Interior —
An invasive crab inventory survey was performed to document the abundance and spatial distribution of the European green crab (Carcinus maenas) and the Japanese shore... -
Federal
Water Quality and Macroinvertebrate Data Northern Alaska, 2007
Department of the Interior —
Open-water areas that persist along rivers and lakes during arctic winters can be considered “islands” of open-water embedded within a frozen land. These open-water... -
Federal
Rainbow trout growth data and growth covariate data from Glen Canyon, Colorado River, Arizona, 2012-2021
Department of the Interior —
These data are the primary data used to model rainbow trout growth in Glen Canyon. Fish growth data were collected from nighttime boat electrofishing field campaigns... -
Federal
Great Smoky Mountains National Park 1993-2025 Parkwide Water Quality Survey Data from the GRSM_WQ Project as of 2026-03-04
Department of the Interior —
This data package was created 2026-03-04 09:06:10 by NPSTORET and includes selected project, location, and result data. Data contained in the Great Smoky Mountains... -
Federal
Aquatic Invertebrate Monitoring Data for Buffalo National River, Ozark National Scenic Riverways and Multiple Small Stream Park Units throughout the Midwest, 2005-2024 - Data Package
Department of the Interior —
This monitoring dataset consists of aquatic invertebrate community data for Buffalo National River, Ozark National Scenic Riverways and multiple small stream park... -
Federal
Isle Royale National Park 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... -
Federal
Water quality data
U.S. Environmental Protection Agency —
The ZTRAX data is a national database of property sales collected by Zillow. The data is available to researchers who submit a research proposal to Zillow. Portions... -
Federal
1987-2018 cyanobacteria and water quality data for 20 reservoirs
U.S. Environmental Protection Agency —
These data include cyanobacteria cell densities (including maximum cell densities observed for each year in each reservoir), annual summer (June-August)...
1,810 datasets found