Found 175 datasets matching filters.
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These data include cyanobacteria cell densities (including maximum cell densities observed for each year in each reservoir), annual summer (June-August) precipitation, nutrient concentrations, and...
Search relevance: 1.00 | Views last month: 50 | Published on: 2025-08-02 -
The objective of this research was to predict nutrient, chlorophyll-a, and associated harmful algal bloom, hypoxia, and eutrophication effects in US lakes. This research used nutrient and...
Search relevance: 1.00 | Views last month: 46 | Published on: 2025-08-02 -
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 develop the tools necessary to...
Search relevance: 1.00 | Views last month: 22 | Published on: 2025-07-31 -
The Department of Recreation and Parks' Facility and Park Information dataset provide information such as facilities and parks' addresses, contact phone numbers, websites, and mapping info by...
Search relevance: 1.00 | Views last month: 16 | Published on: 2025-08-02 -
Dataset: Predictions of Cyanobacteria and Microcystin in Lakes across the Conterminous United States
With increasing concerns about freshwater cyanobacteria blooms, there is a need to identify which waterbodies are at risk for developing these blooms, especially those that produce cyanotoxins. To...
Search relevance: 1.00 | Views last month: 14 | Published on: 2025-08-02 -
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 the public-facing query of the...
Search relevance: 1.00 | Views last month: 12 | Published on: 2025-07-31 -
The National Lakes Assessment (NLA) is a statistical survey of the condition of our nation's lakes, ponds, and reservoirs. It is designed to provide information on the extent of lakes that support...
Search relevance: 1.00 | Views last month: 12 | Published on: 2025-08-02 -
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 stockings by Essex, Onondaga and...
Search relevance: 1.00 | Views last month: 11 | Published on: 2025-09-08 -
Data for analysis for modeling probability of measuring microcystin toxin, cyanobacteria cell abundance, and chlorophyll a concentration in ~2,200 lakes based on cyanobacteria summer bloom...
Search relevance: 1.00 | Views last month: 11 | Published on: 2025-08-02 -
The U.S. Geological Survey Toxic Substances Hydrology Program at Cape Cod has been investigating the fate and transport of a treated-wastewater, groundwater contaminant plume. A portion of the...
Search relevance: 1.00 | Views last month: 10 | Published on: 2026-03-03 -
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 Resolution Imaging Spectrometer (MERIS)...
Search relevance: 1.00 | Views last month: 10 | Published on: 2025-08-02 -
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...
Search relevance: 1.00 | Views last month: 9 | Published on: 2025-07-29 -
Sediment diatoms are widely used to track environmental histories of lakes and their watersheds, but merging datasets generated by different researchers for further large-scale studies is...
Search relevance: 1.00 | Views last month: 9 | Published on: 2025-08-02 -
Prior to downloading data, please download the README file. This dataset contains water quality samples collected from Puget Sound, lakes, and streams in the region which can be filtered by...
Search relevance: 1.00 | Views last month: 8 | Published on: 2026-03-07 -
Profiles of temperature, conductivity, salinity, dissolved oxygen, chlorophyll fluorescence, beam transmission, and surface and subsurface PAR collected monthly to twice monthly on Lake Washington...
Search relevance: 1.00 | Views last month: 7 | Published on: 2026-02-28 -
The U.S. Geological Survey (USGS) National Geospatial Program (NGP) and National Research Program (NRP) acquired hyperspectral image data from the Kootenai River near Bonners Ferry, ID. The image...
Search relevance: 1.00 | Views last month: 6 | Published on: 2026-03-03 -
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 monitoring season. Each row...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-07 -
<p>Lake temperature is an important environmental metric for understanding habitat suitability for many freshwater species and is especially useful when temperatures are predicted throughout the...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-03 -
The Mobile Source Observation Database (MSOD) is a relational database being developed by the Assessment and Standards Division (ASD) of the US Environmental Protection Agency Office of...
Search relevance: 1.00 | Views last month: 4 | Published on: 2025-08-02 -
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 Virgin Islands, Guam, American...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-03-07
