Many organizations throughout California regularly monitor water conditions for HABs and red tides, as well as conduct ongoing research to better predict and forecast their occurrence. The following resources are available to learn more about HABs, report HAB conditions, or report marine mammal and seabird strandings.

For information about HABs and shellfish safety:
California Department of Public Health, Shellfish Information Line: 800-553-4133
Marine Biotoxin Monitoring Program

To report a suspected California Freshwater or Estuarine HAB, submit a report to:
CA State Water Resources Control Board – Surface Water Ambient Monitoring Program
To report a red tide or other unusual marine sighting:

Interested in Marine HAB Citizen Science?
Harmful Algal Bloom Watch

To report a marine mammal stranding:
California Academy of Sciences
– dead strandings in the San Francisco Bay area only
Pacific Marine Mammal Center
– Orange County
Long Marine laboratory
– dead strandings in Santa Cruz County only
Marine Mammal Care Center at Fort MacArthur
– Los Angeles County
Monterey Bay Aquarium
– sea otters only
Northcoast Marine Mammal Center
– Humboldt and Del Norte Counties
Sea World San Deigo
– San Diego County
Marine Mammal Center –
for more information

To report a seabird stranding:
Bird Ally X: Humboldt County
International Bird Rescue: Nothern Califonia (Cordelia) and Southern California (San Pedro)
Native Animal Rescue – live strandings in Santa Cruz County
Monterey County SPCA Humane Wildlife Services – live strandings in Monterey County
Pacific Wildlife Care: Morro Bay

Want to support HAB legislation?
Please visit the National HAB Committee website to learn about national HAB funding and how to provide support