Harmful Algal Blooms
To learn more about Harmful Algal Blooms (HABs) visit the Department of Natural Resources Phytoplankton Monitoring Program. To report algal blooms, please call (410) 260-8630, or report online using our Algae Bloom Sighting Report page.
Click on a station for more info and data:
Under the 'Change Dates' menu, type in desired date range (choose a range less than 31 days) and click the 'Go!' button, or by clicking the arrows your search will move forward or backward in time by 2 weeks. If no symbols appear in the map no data are available as yet.
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