June 21 - June 27, 2024 - There were 41 reported site visits in the past seven days with 41 samples collected. Algal bloom conditions were observed by samplers at 17 of the sites.
The satellite imagery for Lake Okeechobee from 6/27 shows low to high bloom potential on approximately 60% of the lake.
The Satellite imagery for the Caloosahatchee Estuary has been heavily obscured by cloud cover for more than a week. The best available image from 6/18 is partially obscured by cloud cover and shows scattered low bloom potential in visible portions of the estuary.
The satellite imagery for the St. Lucie Estuary from 6/27 is partially obscured by cloud cover and shows no bloom potential in visible portions of the estuary.
The satellite imagery for the St. Johns River from 6/26 is partially obscured by cloud cover and shows low to moderate bloom potential from Lake George downstream to Doctors Lake.
On 6/24 – 6/26, Florida Department of Environmental Protection (DEP) staff collected 13 Harmful Algal Bloom (HAB) response samples. Dominant algal taxa and cyanotoxin results follow each waterbody name.
Lake Okeechobee – S308C (lakeside): No dominant algal taxon; no cyanotoxins detected.
C44 Canal – S308C: Glenodinium sp.; no cyanotoxins detected.
C44 Canal – C44S80 (upstream): No dominant algal taxon; no cyanotoxins detected.
C43 canal – S77 (upstream): Microcystis aeruginosa and Raphidiopsis raciborskii co-dominant; no cyanotoxins detected.
C43 Canal – S78 (upstream): Microcystis aeruginosa; no cyanotoxins detected.
C43 Canal – S79 (upstream): Glenodinium sp.; no cyanotoxins detected.
Lake Okeechobee – S135LOCKDS: Microcystis aeruginosa; trace level (0.32 ppb) microcystins detected.
L-47 Canal – S135LOCKUS: Microcystis aeruginosa; no cyanotoxins detected.
L8 Canal – CULV10A: No dominant algal taxon; no cyanotoxins detected.
Lake Okeechobee – S352: No dominant algal taxon; trace level (0.32 ppb) microcystins detected.
Lake – Pahokee Marina: Microcystis aeruginosa; trace level (0.51 ppb) microcystins detected.
Lake Okeechobee – S351: Microcystis aeruginosa; trace level (0.65 ppb) microcystins detected.
Lake Okeechobee – S354: Microcystis aeruginosa; 34 ppb microcystins detected.
On 6/24 – 6/26, St. Johns River Water Management District staff collected 12 routine HAB monitoring samples and three HAB response samples. Dominant algal taxa and cyanotoxin results follow each waterbody name.
Fellsmere Water Management Area – Center: Microcystis aeruginosa and Raphidiopsis raciborskii co-dominant; no cyanotoxins detected.
Stick Marsh – North: Microcystis aeruginosa; no cyanotoxins detected.
Blue Cypress Lake – Center: Microcystis aeruginosa and Microcystis wesenbergii co-dominant; no cyanotoxins detected.
Lake Yale – Center: Microcystis aeruginosa and Botryococcus braunii co-dominant; trace level (0.17 ppb) cylindrospermopsin detected.
Dead Lake – At mouth of Bull Creek, across from boat ramp: Microcystis aeruginosa; trace level (0.68 ppb) microcystins detected.
St. Johns River – Mandarin Point: No dominant algal taxon; no cyanotoxins detected.
Doctors Lake – Center: Microcystis aeruginosa; 2.5 ppb microcystins detected.
Lake Beauclair – Near AB Canal: No dominant algal taxon; no cyanotoxins detected.
St. Johns River – Shands Bridge: Raphidiopsis raciborskii; trace level (0.29 ppb) cylindrospermopsin detected.
St. Johns River – Racy Point: Raphidiopsis raciborskii; trace level (0.47 ppb) cylindrospermopsin detected.
Lake George – Center: Microcystis aeruginosa and Microcystis wesenbergii co-dominant; trace level (0.29 ppb) cylindrospermopsin detected.
Crescent Lake – Mouth of Dunns Creek: Microcystis aeruginosa; trace level (0.36 ppb) microcystins detected.
Lake Washington – Center: Results pending.
Lake Monroe – Center: Results pending.
Lake Jesup – Center: Results pending.
Last Week:
On 6/20, DEP staff collected a HAB response sample at C-17 Canal – Congress Avenue: Microcystis aeruginosa; no cyanotoxins detected.
Results for completed analyses are available at FloridaDEP.gov/AlgalBloom.
This is a high-level summary of the sampling events for the reported week. For all field visit and analytical result details, please refer to the complete algal bloom map with data table by clicking the “Field and Lab Details” Quick Link from the Algal Bloom Dashboard. Different types of blue-green algal bloom species can look different and have different impacts. However, regardless of species, many types of blue-green algae can produce toxins that can make you or your pets sick if swallowed or possibly cause skin and/or eye irritation due to contact. We advise staying out of water where algae is visibly present as specks or mats or where water is discolored pea-green, blue-green or brownish-red. Additionally, pets or livestock should not come into contact with algal bloom-impacted water or with algal bloom material or fish on the shoreline.
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