1.0 DCPLUS 20220901 21262600 20250610 21262600 https://www.arcgis.com/sharing/rest/content/items/73610e78106547db8900d1c805fe6d42/info/thumbnail/ago_downloaded.png https://www.arcgis.com/home/item.html?id=73610e78106547db8900d1c805fe6d42 73610e78106547db8900d1c805fe6d42 Feature Service https://services.arcgis.com/cJ9YHowT8TU7DUyn/arcgis/rest/services/Aug2022_test/FeatureServer HABs Advisories 2022-09-01T21:26:26 2025-06-10T12:55:33 HABs algal bloom algae cyanobacteria harmful algal bloom Surface Water Drinking Water Data Collection Map for entering and viewing harmful algal bloom point layers in U.S. freshwater based on state advisories and other public resources. It is not comprehensive. <p>Map of harmful algal bloom point layers with data compiled from&nbsp;states and other public web resources&nbsp;for 2022.&nbsp;EPA compiles these data into HAB point layers monthly, however,&nbsp;advisory data is not reported by all states and most states only report data seasonally (during the summer). Therefore, this web map does not comprehensively display all HABs occurring monthly across the country.</p> <div>&nbsp;</div> <div><span style='color: #000000; font-size: medium;'>Each HAB point layer is categorized by advisory type, which are color-coded according to the web map legend. The reader can open up any HAB point layer to view the data reported by states and other public resources, including the waterbody name, advisory category, bloom date, state and the link to the web source.</span></div> Jon Becker, US EPA Region 4 Water Division, Geospatial Operations and Analysis Team (GOAT). <p style='margin-top: 0px; margin-bottom: 1.5rem;'>These data are available for public access and use. Data represent harmful algal blooms reported for August 2022.</p> <p style='margin-top: 0px; margin-bottom: 1.5rem;'>Please check sources, scale, accuracy, currency and other available information. 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