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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 This data release contains cyanotoxin, chlorophyll-a, and pheophytin-a concentration, cyanobacterial genetics, phytoplankton community composition, and multiparameter sonde data collected from 20 sites in five northeastern United States river basins (Penobscot (ME), Santuit (MA), York (VA-WV), Salem (NJ), and Peconic (NY)). Solid Phase Adsorption Toxin Tracking (SPATT) passive samplers were deployed at all sites between August 31 and September 2, 2020, and retrieved after 7 days. Discrete water samples were collected when SPATTs were deployed, and at 2 sites (USGS station IDs 01670257, 0167014792), samples were also collected when the SPATTs were recovered. Sonde data were collected when deploying and retrieving... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Anatoxin-a, Aquatic Community Health, Chlorophyll-a, Contaminants, HABS, Cyanobacteria, All tags... Cylindrospermopsin, Dolby Pond, Enzyme-linked immunosorbent assay (ELISA), HAB, Harmful Algal Bloom, Lake Anna, Maine, Massachusetts, Mattaponi River, Microcystin, New Jersey, New York, North Anna River, Pamunkey River, Peconic River, Peconic River Basin, Penobscot River, Penobscot River Basin, Pheophytin-a, Quantitative polymerase chain reaction (qPCR), SPATT, Salem River, Salem River Basin, Santuit Pond, Santuit River, Santuit River Basin, Saxitoxin, Shinnecock Canal, Solid Phase Adsorption Toxin Tracking, USGS Science Data Catalog (SDC), Virginia, Water, Water Quality, Water Quality, Water quality, York River, York River Basin, anaC gene, biota, cyanotoxin genetics, cyanotoxins, cyrA gene, environment, inlandWaters, mcyE gene, phytoplankton community composition, sxtA gene, Fewer tags Harmful Algal Bloom monitoring in the Finger Lakes region, New York Background: Harmful algal blooms (HABs) are increasingly a global concern because they pose a threat to human and aquatic ecosystem health and cause economic damages. Cyanobacterial HABs (CyanoHABs) represent a substantial threat to drinking-water supplies, aquatic ecosystem health, and safe recreational uses of freshwater resources in New York. Toxins produced by some species of cyanobacteria (called cyanotoxins) can cause acute and chronic illnesses in humans. Aquatic ecosystem health also is affected by cyanotoxins, as well as low dissolved oxygen concentrations and changes in aquatic food webs caused by an over-abundance of cyanobacteria. For these reasons, the New York State Department of Environmental Conservation... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Cooperative Water Program, Ecosystem Health, Ecosystem Health, USGS New York Water Science Center, WSC, All tags... Water Quality, Fewer tags Cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected at twelve large river sites throughout the United States, June through October 2019 This U.S. Geological Survey (USGS) data release provides discretely measured cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected from twelve large river sites throughout the United States, from June through October 2019. Discrete water-quality samples were analyzed for cyanotoxins (anatoxin, cylindrospermopsin, microcystin, and saxitoxin), chlorophyll-a, and cyanobacterial toxin genetics as part of a National Water-Quality Assessment Project pilot study to describe cyanobacteria and cyanotoxin occurrence in the Nation's large rivers. The data release contains the genetic data (in .csv and .xlsx formats), qPCR standard curve information (in .csv and .xlsx formats), and a readme... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Anatoxin, California, Chattahoochee River near Whitesburg, GA, Chlorophyll-a, Connecticut, All tags... Connecticut River at Thompsonville, CT, Contaminants, HABS, Cyanotoxin genetics, Cyanotoxins, Cylindrospermopsin, Delaware River at Trenton, NJ, Discretely measured, Dolichospermum (formerly Anabaena), Enzyme-linked immunosorbent assay (ELISA), Genetics, Georgia, Hudson River near Poughkeepsie, NY, Kansas, Kansas River at De Soto, KS, Maryland, Microcystin, Microcystis, Minnesota, Mississippi River at Hastings, MN, Missouri, Missouri River at Hermann, MO, New Jersey, New York, Ohio, Ohio River at Cannelton Dam at Cannelton, IN, Oregon, Pheophytin-a, Phytoplankton community composition, Planktothrix, Quantitative polymerase chain reaction (qPCR), Sacramento River at Freeport, CA, Saxitoxin, Susquehanna River at Conowingo, MD, Texas, Trinity River below Dallas, TX, USGS Science Data Catalog (SDC), USGS Station ID 01184000, USGS Station ID 01372043, USGS Station ID 01463500, USGS Station ID 01578310, USGS Station ID 02338000, USGS Station ID 03303280, USGS Station ID 05331580, USGS Station ID 06892350, USGS Station ID 06934500, USGS Station ID 08057410, USGS Station ID 11447650, USGS Station ID 14211720, United States, Water, Water Quality, Water quality, Willamette River at Portland, OR, anaC gene, cyrA gene, mcyE gene, sxtA gene, Fewer tags Phytoplankton data for samples collected at twelve large river sites throughout the United States, June through October 2019 This U.S. Geological Survey (USGS) Data Release provides phytoplankton data for samples collected from twelve large river sites throughout the United States, from June through October 2019. All data are reported as raw calculated values and are not rounded to USGS significant figures. The dataset includes all routine and quality assurance/quality control samples collected as part of a National Water Quality Assessment Project pilot study to describe cyanobacteria and cyanotoxin occurrence in the Nation's large rivers. Phytoplankton were identified to the lowest possible taxonomic level with both abundance (reported as both natural units and cells) and biovolume reported. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Algae, Aquatic Biology, California, Chattahoochee River near Whitesburg, GA, Connecticut, All tags... Connecticut River at Thompsonville, CT, Contaminants, Cyanobacteria, Delaware River at Trenton, NJ, Division, Freshwater, Genus, Georgia, Harmful Algal Blooms (HABs), Harmful algal bloom, Hudson River near Poughkeepsie, NY, Indiana, Kansas, Kansas River at De Soto, KS, Limnology, Maryland, Minnesota, Mississippi River at Hastings, MN, Missouri, Missouri River at Hermann, MO, New Jersey, New York, Ohio River at Cannelton Dam at Cannelton, IN, Oregon, Phytoplankton, River, Sacramento River at Freeport, CA, Species, Susquehanna River at Conowingo, MD, Taxa, Taxonomy, Texas, Trinity River below Dallas, TX, USGS Science Data Catalog (SDC), USGS Station ID 01184000, USGS Station ID 01372043, USGS Station ID 01463500, USGS Station ID 01578310, USGS Station ID 02338000, USGS Station ID 03303280, USGS Station ID 05331580, USGS Station ID 06892350, USGS Station ID 06934500, USGS Station ID 08057410, USGS Station ID 11447650, USGS Station ID 14211720, United States, Water Quality, Water Quality, Willamette River at Portland, OR, water, Fewer tags Water-quality data from two sites on Milford Lake, Kansas, July 26-27 and August 30-31, 2015 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 and August 30-31, 2015. All data are reported as raw measured values and are not rounded to USGS significant figures. Water-quality monitors were used to measure water temperature, specific conductance, turbidity, pH, chlorophyll, phycocyanin, and dissolved oxygen at fifteen-minute intervals. This dataset includes all continuously measured data collected at two short-term, fixed-site locations as part of a study to evaluate the spatial variability of harmful algal blooms in Milford Lake, Kansas. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chlorophyll, Continuously measured, Dissolved Oxygen, Fixed Site 1 Milford Lake, Kansas, Fixed Site 2 Milford Lake, Kansas, All tags... Harmful algal bloom, Kansas, Milford Lake, Monitor, Phycocyanin, Sensor, Spatial data collection, Specific Conductance, Turbidity, USGS Science Data Catalog (SDC), USGS Station ID 390610096555500, USGS Station ID 391328097000500, United States, Water Resources, Water Temperature, pH, Fewer tags Sediment Oxygen Demand Data for Eastern Kansas Streams, August 2014 through December 2015 This U.S. Geological Survey (USGS) Data Release provides data collected from sediment oxygen demand (SOD) deployments conducted at eight stream sites in eastern Kansas during August 2014 through December 2015. Continuous water-quality monitors were used to measure water temperature, dissolved oxygen, pH, specific conductance, turbidity, and total algae (chlorophyll-a and phycocyanin) at thirty second intervals. All data are reported as raw measured values and are not rounded to USGS significant figures. The dataset includes all water-quality data collected during sediment oxygen demand deployments. Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chlorophyll, Dissolved Oxygen, Field Deployment, Grouse Creek, Indian Creek, All tags... Kansas, Kansas River, Little Arkansas River, Marmaton River, Phycocyanin, Pottawatomie Creek, Sediment, Sediment Oxygen Demand, Sediment Oxygen Demand Chamber, Specific Conductance, Turbidity, USGS Science Data Catalog (SDC), USGS Station ID 06887500, USGS Station ID 06892350, USGS Station ID 06914100, USGS Station ID 06917500, USGS Station ID 07144200, USGS Station ID 07146900, USGS Station ID 07148111, USGS Station ID 385608094380300, United States, Walnut River, Water Resources, Water Temperature, pH, Fewer tags Phytoplankton data for samples collected at eleven large river sites throughout the United States, June through September 2017 This U.S. Geological Survey (USGS) Data Release provides phytoplankton data for samples collected from eleven large river sites throughout the United States, from June through September 2017. All data are reported as raw calculated values and are not rounded to USGS significant figures. The dataset includes all routine and quality assurance/quality control samples collected as part of a National Water Quality Assessment Project pilot study to describe the potential for cyanobacteria and cyanotoxin occurrence in the Nation's large rivers. Phytoplankton were identified to the lowest possible taxonomic level and abundances (density reported as natural units) are reported. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Algae, California, Chattahoochee River near Whitesburg, GA, Connecticut, Connecticut River at Thompsonville, CT, All tags... Cyanobacteria, Delaware River at Trenton, NJ, Division, Freshwater, Genus, Georgia, Harmful algal bloom, Indiana, Kansas, Kansas River at De Soto, KS, Maryland, Minnesota, Mississippi River at Hastings, MN, Missouri, Missouri River at Hermann, MO, New Jersey, Ohio River at Cannelton Dam at Cannelton, IN, Oregon, Phytoplankton, River, Sacramento River at Freeport, CA, Species, Susquehanna River at Conowingo, MD, Taxa, Taxonomy, Texas, Trinity River below Dallas, TX, USGS Science Data Catalog (SDC), USGS Station ID 01184000, USGS Station ID 01463500, USGS Station ID 01578310, USGS Station ID 02338000, USGS Station ID 03303280, USGS Station ID 05331580, USGS Station ID 06892350, USGS Station ID 06934500, USGS Station ID 08057410, USGS Station ID 11447650, USGS Station ID 14211720, United States, Willamette River at Portland, OR, Fewer tags Phytoplankton tally sheet, including photomicrographs, for samples collected at eleven large river sites throughout the United States, June through September 2017 This U.S. Geological Survey (USGS) Data Release provides the phytoplankton tally sheet, including photomicrographs, for samples collected from eleven large river sites throughout the United States, from June through September 2017. All data are raw tallies, not calculated abundances or concentrations. The dataset includes all routine and quality assurance/quality control samples collected as part of a National Water Quality Assessment Project pilot study to describe the potential for cyanobacteria and cyanotoxin ocurrence in the Nation's large rivers. Phytoplankton were identified to the lowest possible taxonomic level and abundances (density reported as natural units) are reported. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Algae, California, Chattahoochee River near Whitesburg, GA, Connecticut, Connecticut River at Thompsonville, CT, All tags... Cyanobacteria, Delaware River at Trenton, NJ, Division, Freshwater, Genus, Georgia, Harmful algal bloom, Indiana, Kansas, Kansas River at De Soto, KS, Maryland, Minnesota, Mississippi River at Hastings, MN, Missouri, Missouri River at Hermann, MO, NCCWSC, New Jersey, Ohio River at Cannelton Dam at Cannelton, IN, Oregon, Phytoplankton, River, Sacramento River at Freeport, CA, Species, Susquehanna River at Conowingo, MD, Taxa, Taxonomy, Texas, Trinity River below Dallas, TX, USGS Science Data Catalog (SDC), USGS Station ID 01184000, USGS Station ID 01463500, USGS Station ID 01578310, USGS Station ID 02338000, USGS Station ID 03303280, USGS Station ID 05331580, USGS Station ID 06892350, USGS Station ID 06934500, USGS Station ID 08057410, USGS Station ID 11447650, USGS Station ID 14211720, United States, Willamette River at Portland, OR, Fewer tags Phytoplankton data for Milford Lake, Kansas, July 27 and August 31, 2015 This U.S. Geological Survey (USGS) data release provides phytoplankton data collected from Milford Lake, Kansas, during July 27 and August 31, 2015. This data release was produced in compliance with the federal open-data requirements as a way to make scientific products associated with USGS research efforts and publications available to the public. The dataset includes all samples collected at three long-term U.S. Army Corps of Engineers (USACE) sites on Milford Lake. Phytoplankton were identified to the lowest possible taxonomic level and abundance (density) and biovolume are reported. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Algae, Aquatic Biology, Division, Freshwater, Genus, All tags... Kansas, Milford Lake, Phytoplankton, Species, Taxa, Taxonomy, USACE A3, USACE B3, USACE C3, USGS Science Data Catalog (SDC), USGS Site 15 Milford Lake, KS, USGS Site 19 Milford Lake, KS, USGS Site 22 Milford Lake, KS, USGS Station ID 390527096543400, USGS Station ID 391008096550700, USGS Station ID 391237096584800, United States, Fewer tags Cyanobacterial Occurrence and Bloom Development in Oligotrophic Adirondack Lakes Problem Harmful algal blooms (HABs) are increasingly a global concern because HABs pose a threat to human and ecosystem health and cause economic damages. HABs are a concern in waterbodies used for drinking-water supply and recreation in New York State. Toxins produced by some species of cyanobacteria (called cyanotoxins) can cause acute and chronic illnesses in humans. Aquatic ecosystem health also is affected by cyanotoxins, as well as low dissolved oxygen concentrations and changes in aquatic food webs caused by an over-abundance of cyanobacteria. Cyanobacterial HABs are typically considered to be a symptom of eutrophication. However, oligotrophic lakes worldwide, including those in the Adirondack Region of... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Contaminants, HABS, Contaminants, HABS, Surface-Water Quality Monitoring, Surface-Water Quality Monitoring, USGS New York Water Science Center, All tags... WSC, Water Quality, Water Quality, Water Quality, Fewer tags Cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected at eleven large river sites throughout the United States, June through September 2017 This U.S. Geological Survey (USGS) data release provides discretely measured cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected from eleven large river sites throughout the United States, from June through September 2017. Discrete water-quality samples were analyzed for cyanotoxins (anatoxin, cylindrospermopsin, microcystin, and saxitoxin), chlorophyll-a, and cyanobacterial toxin genetics as part of a National Water-Quality Assessment Project pilot study to describe potential cyanotoxin occurrence in the Nation's large rivers. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Anatoxin, California, Chattahoochee River near Whitesburg, GA, Chlorophyll-a, Connecticut, All tags... Connecticut River at Thompsonville, CT, Cyanotoxin genetics, Cyanotoxins, Cylindrospermopsin, Delaware River at Trenton, NJ, Discretely measured, Dolichospermum (formerly Anabaena), Domoic acid, Enzyme-linked immunosorbent assay (ELISA), Georgia, Kansas, Kansas River at De Soto, KS, Liquid chromatography tandem-mass spectrometry (LC/MS/MS), Maryland, Microcystin, Microcystis, Minnesota, Mississippi River at Hastings, MN, Missouri, Missouri River at Hermann, MO, New Jersey, Nodularin, Ohio, Ohio River at Cannelton Dam at Cannelton, IN, Oregon, Pheophytin-a, Phytoplankton community composition, Planktothrix, Quantitative polymerase chain reaction (qPCR), Sacramento River at Freeport, CA, Saxitoxin, Susquehanna River at Conowingo, MD, Texas, Trinity River below Dallas, TX, USGS Science Data Catalog (SDC), USGS Station ID 01184000, USGS Station ID 01463500, USGS Station ID 01578310, USGS Station ID 02338000, USGS Station ID 03303280, USGS Station ID 05331580, USGS Station ID 06892350, USGS Station ID 06934500, USGS Station ID 08057410, USGS Station ID 11447650, USGS Station ID 14211720, United States, Water quality, Willamette River at Portland, OR, anaC gene, cyrA gene, mcyE gene, sxtA gene, Fewer tags