Harmful Algal Blooms (HABs) Archive Page
- HAB notices from 2022 are summarized in a 2022 HABs Archive Summary (PDF).
- HAB notices from 2021 are summarized in a 2021 HABs Archive Summary (PDF).
- HAB notices from 2020 are summarized in a 2020 HABs Archive Summary (PDF).
- Summarized information about HABs in New York can be found at OPEN NY (leaves DEC website). Search the catalog for "Harmful Algal Blooms."
- Statewide monitoring data can be accessed using the Division of Water Monitoring Data Portal (leaves DEC website).
- A summary of all waterbodies with HABs documented since the DEC HABs Program began tracking blooms in 2012 is available: 2012-2019 HABs Archive Summary (PDF).
- Lake Champlain blooms are not included in their entirety here, this information can be found on the Vermont Department of Health's blue-green algae notification page (leaves DEC website).
- Anyone using a waterbody is advised to avoid direct contact with any discolored water and to report suspected HABs conditions to DEC by submitting a Suspicious Algal Bloom Report Form or by contacting your regional DEC office or by calling 518-402-8179.
- For any further questions regarding HABs historic data, please email HABsInfo@dec.ny.gov.