Click on datapoints in the HABs map for more information & data:Note: If no data points are visible, no data are available, choose a different date range. |
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Click on datapoints in the HABs map for more information & data:Note: If no data points are visible, no data are available, choose a different date range. |
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Relative algal abundance: | |||
Site Sampled |
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Algae were sampled, no harmful species identified | |||
Algae Bloom |
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High abundance of algae that are not known to produce any toxins, but impact bay health. No human health advisory. |
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Potentially Harmful Algae |
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A species of concern was identified below bloom thresholds. No human health advisory. | |||
Harmful Algae Bloom |
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Public should be aware of blooms in the vicinity. Blooms have the potential to produce toxins that are harmful to humans, pets, or fish and/or have ecosystem impacts. | |||
Algae are a natural part of the Bay ecosystem; however, some algae may be harmful when they bloom in unnaturally high abundance or they may produce a toxin that can impact people, animals and/or bay life. Toxin testing is initiated when cell densities exceed set thresholds. Visit DNR's Harmful Algal Bloom page for more information. |
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Maryland Department of Natural Resources, 580 Taylor Avenue, Annapolis, MD 21401
(877) 620-8DNR