Department of Environmental Conservation

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Harmful Algal Blooms (HABs) Notifications Page

The 2020 HABs reporting and notification season has ended. The NYHABS link will be unavailable until the 2021 monitoring season begins in May.

HAB Locations in New York State

Please visit the HABs Archive page for HABs reported since 2012.

Please email to report any blooms outside of the monitoring season.