39 datasets found
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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... -
State
2019 California Water Quality Status Report
State of California —
The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition of the report... -
Federal
CONUS_extent
U.S. Environmental Protection Agency —
The dataset provided here contains the added pixel quality assurance (QA) flags that help ensure validity of satellite-derived water quality estimates in freshwater... -
Federal
Water-quality data from two sites on Milford Lake, Kansas, May 25-26, June 8-10, July 20-21, and September 14-15, 2016
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides continuously-measured water-quality data collected from two sites on Milford Lake, Kansas, during May 25-26,... -
Federal
INLA_CONUS_forecast
U.S. Environmental Protection Agency —
OLCI satellite data with CI_cyano algorithm quantify cyanobacteria. Air temperature, precipitation data from PRISM Climate group. This dataset is associated with the... -
Federal
HABqPCR_DataSet
U.S. Environmental Protection Agency —
This data covers reverse transcriptase qPCR quantification of microcystin gene activity during the summer bloom seasons in 2015, 2016 and 2017 for08/20/2019 Harsha... -
Federal
Phytoplankton data for samples collected at eleven large river sites throughout the United States, June through October 2018
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides phytoplankton data for samples collected from eleven large river sites throughout the United States, from... -
Federal
Vertical profiles of water quality and phytoplankton data from five lakes in the Adirondack Park, New York State, 2021
Department of the Interior —
This data release contains phytoplankton data and vertical profile measurements of water quality and light in oligotrophic (low nutrient) lakes within the Adirondack... -
State
Harmful Algal Blooms by Waterbody Summary: Beginning 2019
State of New York —
Listing of harmful algal bloom occurrences by waterbody. Data from 2012-2018 available at https://data.ny.gov/Energy-Environment/Harmful-Algal-Bloom-Statewide-... -
Federal
Cyanobacteria, Cyanotoxin, Cyanotoxin Synthetase Gene, and other Water-Quality Data Collected from Five River Basins in the North Atlantic Appalachian Region, August through September, 2020
Department of the Interior —
This data release contains cyanotoxin, chlorophyll-a, and pheophytin-a concentration, cyanobacterial genetics, phytoplankton community composition, and multiparameter... -
Federal
Anatoxin levels in mouse tissues after a single exposure and collected at various timepoints
U.S. Environmental Protection Agency —
Anatoxin levels in mouse tissues after a single exposure and collected at various timepoints -
Federal
Phytoplankton tally sheet, including photomicrographs, for samples collected at eleven large river sites throughout the United States, June through September 2017
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides the phytoplankton tally sheet, including photomicrographs, for samples collected from eleven large river... -
Federal
June 2025 Phytoplankton Counts from Southern Puget Sound and Surrounding Lakes
U.S. Environmental Protection Agency —
Tatters, A., S. Clark, and R. Labiosa. 2025. June 2025 Phytoplankton Counts from Southern Puget Sound and Surrounding Lakes. The phytoplankton counts and associated... -
Federal
Water-quality data from two sites on Milford Lake, Kansas, July 26-27 and August 30-31, 2015
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides continuously-measured water-quality data collected from two sites on Milford Lake, Kansas, during July 26-27... -
Federal
Cyanotoxin concentrations in extracts from Solid Phase Adsorption Toxin Tracking (SPATT) samplers and other water-quality data collected from the Salem River, New Jersey, July-October, 2020.
Department of the Interior —
This data release presents cyanotoxin and multiparameter water-quality sonde data collected from July-October 2020, at eleven sites in the Salem River, New Jersey.... -
Federal
Surface-water characteristics and phytoplankton taxonomy in selected north Texas reservoirs using biological, hyperspectral, and water-quality methods, 2019-2020
Department of the Interior —
A study to develop an earth observation monitoring system to detect harmful algal bloom (HABs) presence within selected north Texas reservoirs using satellite imagery... -
Federal
Output of 18S metabarcoding analysis of grab samples collected from Lake Harsha in 2015 (OTU reads over time and space).
U.S. Environmental Protection Agency —
Data associated with the Hydrobiologia article titled "Spatial and temporal dynamics of a freshwater eukaryotic plankton community revealed via 18S rRNA gene... -
Federal
Phytoplankton data for samples collected at eleven large river sites throughout the United States, June through September 2017
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides phytoplankton data for samples collected from eleven large river sites throughout the United States, from... -
Federal
2014HarshaLakeFlyover_WaterChemistryDataUsedForChlorophyllStudy.xlsx
U.S. Environmental Protection Agency —
Chlorophyll and General Water Quality variables collected during a flyover event of Harsha Lake in Southwestern Ohio. 44 sites were sampled within one hour of aerial... -
Federal
2014 Harsha Lake Flyover - Water Chemsitry Data Used For Turbidity Study
U.S. Environmental Protection Agency —
This data is a large suite of coincident surface water observations for many different physical, chemical, and biological properties of the water in a reservoir in...
39 datasets found