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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
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
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
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
SUPERSEDED: Data Associated with Algal Toxin Testing of Seabirds from the Bering and Chukchi Seas, 2017
Department of the Interior —
This data set is comprised of three tables with results of algal toxin screening for saxitoxin and domoic acid. We used enzyme-linked immunosorbent assay (ELISA) and... -
Federal
Microcystin, chlorophyll, and cell-count data for assessing the effect of salinity tolerance on cyanobacteria associated with a harmful algal bloom in Lake Okeechobee, Florida, July 9 to 17, 2017
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides microcystin, chlorophyll, and cell-count data for assessing the effect of salinity tolerance on cyanobacteria... -
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
Gene Expression of Mouse Liver and Brain after 5-day Oral Exposure of Anatoxin-a
U.S. Environmental Protection Agency —
Gene counts in brainstem and livers from mice treated for 5 days with oral anatoxin-a (2, 4, and 6mg/kg/day). Tissues were collected 2 weeks after the completion of... -
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
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
Raw data set for collaborative research with Univ of Toledo on BAF full-scale study
U.S. Environmental Protection Agency —
The dataset includes the results of DNA concentrations, barcode 16S information for DNA sequencing, and data analysis. This dataset is associated with the following... -
Federal
Velocity test data for assessing the effect of salinity tolerance on cyanobacteria associated with a harmful algal bloom in Lake Okeechobee, Florida, July 10 to 13, 2017
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides velocity test data for assessing the effect of salinity tolerance on cyanobacteria associated with a harmful... -
Federal
SUPERSEDED: Data Associated With Algal Toxin Testing of Common Murres (Uria aalge) and Forage Fish in Alaska, 2015–2017
Department of the Interior —
This data set is comprised of two tables with results of algal toxin screening for saxitoxin and domoic acid. We used enzyme-linked immunosorbent assay (ELISA) and... -
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
Cyanobacterial nitrogen fixation and phosphorus scavenging during a HAB forming
U.S. Environmental Protection Agency —
Sequence data retrieved from RNA sequences for primer design. This dataset is associated with the following publication: Lu, J., B. Zhu, I. Stuewing, N. Xu, and S.... -
Federal
Milford Lake, Kansas spatial water-quality data, May 26, June 9, July 14, July 21, and September 15, 2016
Department of the Interior —
This U.S. Geological Survey (USGS) Data Release provides spatial water-quality data collected from Milford Lake, Kansas, on May 26, June 9, July 14, July 21, and... -
Federal
Harmful Algal Bloom Toxins in Seabirds, Forage Fish, and Marine Invertebrates Across Alaska
Department of the Interior —
These data include results from screening tissues of marine organisms for the presence of harmful algal bloom (HAB) toxins: saxitoxin and its related congeners (STX)... -
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... -
Federal
Recommendations for temporal aggregation of water quality data from multi-platform satellite constellations
U.S. Environmental Protection Agency —
Data represents satellite derived measures of cyanobacteria biomass across largest US lakes. This dataset is not publicly accessible because: Already publicly...