The tables below contain blue-green algae and red tide results from water samples taken in Lee County by the Florida Department of Environmental Protection (DEP) and the Florida Fish and Wildlife Conservation Commission (FWC). Information on this page is updated periodically throughout the week. More current results may be available by visiting the DEP Florida Algal Bloom Site Visits map and the FWC Red Tide Current Status map.

Blue Green Algae Data
Date micrograms/L Location
8/25/2020 23 Cape Coral - Makai Canal
8/25/2020 0.97 Cape Coral - Highlander Canal
8/25/2020 sample not received Cape Coral - Boris Canal
8/31/2020 not detected Cape Coral - Boris Canal
9/1/2020 0.48 Cape Coral-Makai Canal 2, west of bend
9/1/2020 2 Cape Coral-Makai Canal 1 at 11th Ave
9/1/2020 1.5 Cape Coral-Palmetto Golf Course upstream of weir
9/1/2020 2 Cape Coral-Palmetto Pines Golf Course Lake
9/2/2020 not detected Cape Coral- Ticonderoga canal
9/2/2020 not detected Cape Coral-Highlander Canal
9/14/2020 0.78 Cape Coral-Makai Canal and SW 11th AVE
9/14/2020 not detected Cape Coral-Highlander Canal and SW 19th Ln
9/14/2020 not detected Cape Coral-Boris Canal and SW 22nd Terrace
9/14/2020 not detected Cape Coral-Shaughnessey Canal and Chiquita Blvd

Table Data Last Modified: Fri Sep 18, 2020 14:47:59 EDT

Blue Green Algae Legend
Level Description
Greater than 8 micrograms/L Potential for health impact

Table Data Last Modified: Fri Jun 07, 2019 15:57:24 EDT

Red Tide Data
Date Level Location
9/16/2020 not present Boca Grande Pass
9/16/2020 not present Little Bokeelia Island; N of (Charlotte Harbor)
9/16/2020 not present Mondongo Island; W of (Pine Island Sound)
9/15/2020 not present Ben Coleman Keys (Matlacha Pass)
9/15/2020 not present Porpoise Point Island; SW of (Matlacha Pass)
9/16/2020 not present Captiva Pass
9/16/2020 not present Captiva Rocks; SW of (Pine Island Sound)
9/16/2020 not present Hemp Key; S of (Pine Island Sound)
9/16/2020 not present Cork Island; W of (Pine Island Sound)
9/15/2020 not present Deer Stop Keys; SW of (Matlacha Pass)
9/16/2020 not present Redfish Pass; 1.8 mi E of (Pine Island Sound)
9/16/2020 not present Redfish Pass (Pine Island Sound)
9/16/2020 not present Regla Island; W of (Pine Island Sound)
9/16/2020 not present Buck Key; 1.9 mi NE of (Pine Island Sound)
9/16/2020 not present South Seas Plantation Entrance
9/16/2020 not present York Island; W of (Pine Island Sound)
9/16/2020 not present Buck Key; S of (Blind Pass)
9/16/2020 not present Lynn Hall Park
9/16/2020 not present Lighthouse Beach
9/16/2020 not present Tarpon Road Beach
9/14/2020 not present Big Carlos Pass
9/16/2020 not present Lovers Key State Park
9/14/2020 not present Hogue Channel
9/16/2020 not present Bonita Beach Park

Table Data Last Modified: Fri Sep 18, 2020 15:37:36 EDT

Red Tide Legend
Level Cells per Liter Possible Effects
Not present/Background 0-1,000 None Anticipated.
Very low >1,000-10,000 Possible respiratory irritation; shellfish harvesting closures > 6 cells/mL.
Low >10,000-100,000 Respiratory irritation; possible fish kills and bloom chlorophyll probably detected by satellites at upper range.
Medium >100,000-1,000,000 Respiratory irritation and probably fish kills.
High >1,000,000 As above plus discoloration

Table Data Last Modified: Tue May 14, 2019 07:41:11 EDT

Please visit our red tide and blue-green algae pages for more information.

Sources:

DEP Florida Algal Bloom Site Visits

EPA Recommendations for Cyanobacteria and Cyanotoxin

FWC Red Tide Current Status Update

FWC Red Tide Current Status Map

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