Department of Environmental Conservation

D E C banner

Harmful Algal Blooms (HABs) Notifications Page

The 2021 HABs reporting and notification season has ended. The NYHABS link will be unavailable until the 2022 monitoring season begins in May 2022.

HAB Locations in New York State

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

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