Harmful Algal Blooms (HABs) Notifications Page

The 2024 HABs reporting and notification season has ended. The New York Harmful Algal Bloom System (NYHABS) link will be unavailable until the 2025 season begins in May.

HAB Locations in New York State

Please visit the HABs Archive section of the HABs page for access to HABs information reported since 2012.

Please email [email protected] to report any blooms outside of the monitoring season. Please include lake name, location, and photograph attachment with your email.

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