South Florida Algal Bloom Monitoring and Response

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The Report Algal Blooms hotline and online submission form are for freshwater blue-green algae reports only. To report red tide blooms, visit the FWC Red Tide Status website.

Sampling Schedule

DEP reviews citizen reports of algal blooms received via the online reporting form or hotline and coordinates with other agencies who are also sampling – SFWMD, SWFWMD, FWC and Lee County – to determine the sampling team to respond based on the location of the bloom relative to the sampling schedule for that day. Additional entities have reached out to offer sampling support and are added to the schedule as needed.

The department, water management districts and FWC routinely survey and sample locations in South Florida, and are prepared to collect samples if algae is present.

Sampling Results

All results are reported to the Florida Department of Health (DOH), the Florida Fish and Wildlife Conservation Commission (FWC) and the Florida Department of Agriculture and Consumer Services (DACS).

The map below contains samples collected beginning on March 21, 2017. A dot on the map indicates a site visit for sample collection. Clicking on a dot will display all information available for that site. Analytical results for samples collected will be entered when available.

You can also click on the table icon to view a table of site information along with the map, or on the filter icon to select a subset of results. For example, you can filter by county or enter a date range to view only the most recent results.

Algal Bloom GIS Map

Click on the image to access interactive map.

Who to Contact

The state’s bloom response team encourages residents to report algal blooms so that we can respond quickly and effectively.

Report Blue-Green Algae Blooms:

Red Tide and other Harmful Algal Blooms:

  • The Fish and Wildlife Research Institute’s (FWRI) HAB group monitors more than 100 locations around the state to detect nuisance, harmful and toxic algal blooms, including Florida red tide.
  • Red Tide Frequently Asked Questions
  • View the statewide Red Tide Current Status.
  • Latest Red Tide Status Report Available by Phone
    • Call 866-300-9399 at any time from anywhere in Florida to hear a recording about red tide conditions throughout the state. Callers outside of Florida can dial 727-552-2448. Standard calling charges apply.

Health Concerns:

Florida Department of Health issues health advisories when toxin levels present a risk to human health.

Report Wildlife Impacts:

The FWC’s Fish and Wildlife Research Institute (FWRI) maintains this hotline through a federally funded project to survey fish-related diseases and mortalities.

Beach Closure Information:

Health Effects

DOH takes the lead in determining if a HAB presents a risk to human health. DOH issues health advisories as they determine to be appropriate when toxicity levels are higher and may also post warning signs when blooms affect public beaches or other areas where there is the risk of human exposure. These actions are typically directed out of local county health departments, most often in consultation with staff from DOH’s staff from Public Health Toxicology Section. DOH also follows up on reports of pets that may have been exposed to a bloom, since these events may predict potential human health threats.

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