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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)... -
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
Environmental Monitoring and Assessment Program (EMAP)
U.S. Environmental Protection Agency —
The Environmental Monitoring and Assessment Program (EMAP) was a national research program run by EPA’s Office of Research and Development from 1990 to 2008 to... -
Federal
Beach Advisory and Closing Online Notification (BEACON) system
U.S. Environmental Protection Agency —
Beach Advisory and Closing Online Notification system (BEACON) is a colletion of state and local data reported to EPA about beach closings and advisories. BEACON is... -
State
Arctic Strategic Transportation and Resources (ASTAR) project 2023 field station location data and descriptions: Point Lay region, North Slope, Alaska
State of Alaska —
Arctic Strategic Transportation and Resources (ASTAR) project 2023 field station location data and descriptions: Point Lay region, North Slope, Alaska, Raw Data File... -
Federal
USGS Surface-Water Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
Defense Meteorological Satellite Program (DMSP)
National Oceanic and Atmospheric Administration, Department of Commerce —
The Defense Meteorological Satellite Program (DMSP) satellites collect visible and infrared cloud imagery as well as monitoring the atmospheric, oceanographic,... -
City
Department of Recreation and Parks' Facility and Park Information
City of Los Angeles —
The Department of Recreation and Parks' Facility and Park Information dataset provide information such as facilities and parks' addresses, contact phone numbers,... -
Federal
Harmonization of sediment diatoms from hundreds of lakes in the northeastern United States
U.S. Environmental Protection Agency —
Sediment diatoms are widely used to track environmental histories of lakes and their watersheds, but merging datasets generated by different researchers for further... -
State
Fish Stocking Lists (Actual): Beginning 2011
State of New York —
DEC stocks approximately 900,000 pounds of fish into more than 1,200 public streams, rivers, lakes and ponds across the state. Also included in the data are public... -
Federal
DMSP OLS - Operational Linescan System
National Oceanic and Atmospheric Administration, Department of Commerce —
Visible and infrared imagery from DMSP Operational Linescan System (OLS) instruments are used to monitor the global distribution of clouds and cloud top temperatures... -
City
Lakes and Rivers
City of Austin —
Polygon layer delineating the area covered by major lakes within Travis County Texas. -
Federal
Cyanobacteria Index (MERIS)
U.S. Environmental Protection Agency —
This dataset shows the concentration of cyanobacteria cells/ml in fresh water bodies and estuaries of the Ohio and Florida derived from 300x300 meter MEdium... -
Federal
National Lakes Assessment 2012 Datafiles for Report “National Lakes Assessment 2012: A collaborative survey of lakes in the United States"
U.S. Environmental Protection Agency —
National Lakes Assessment 2012 Datafiles for Report “National Lakes Assessment 2012: A Collaborative Survey of lakes in the United States”: The National Lakes... -
Federal
Glacier National Park Citizen Science Base Layers
Department of the Interior —
Various base/reference layers used in Glacier National Park's Crown of the Continent Research Learning Center's Citizen Science team's public mapping products. Each... -
State
MD iMAP: Maryland Water Quality - Tier II High Quality Waters 2012
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The intent of this dataset is for it to be used to produce maps and provide... -
State
Major Water Sources in Iowa - Lakes
State of Iowa —
The Major Water Sources list was created by IDNR to address concerns that new confinements would be constructed within view of "floatable/canoeable" rivers. The... -
County
Freshwater Swim Beach Data
King County, Washington —
This data represents the results of the King County Swim Beach program. These data are generally available from mid-May to late September during the swim beach... -
State
Harmful Algal Bloom Statewide Occurrence Summary: 2012-2018
State of New York —
A summary of the maximum bloom status that was documented by the DEC HABs Program in each waterbody in each year from 2012-2018. Continuing data available at... -
Federal
Dataset: Predictions of Cyanobacteria and Microcystin in Lakes across the Conterminous United States
U.S. Environmental Protection Agency —
With increasing concerns about freshwater cyanobacteria blooms, there is a need to identify which waterbodies are at risk for developing these blooms, especially...