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Cyanobacteria advisory (harmful blue-green algae) reported, Oct 19, 2026

Advisory active · Florida Department of Environmental Protection (Algal Bloom Sampling)

Source: Florida Department of Environmental Protection (Algal Bloom Sampling) via Florida DEP Algal Bloom Sampling, blooms and toxins by site, record cebe07ba-e257-4736-87fa-13561bcd839f, updated by the source Nov 4, 2026, 9:43 AM EST, retrieved 2026-11-05 01:05 UTC · Read the original notice

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1. Where the advisory applies

Issued by: Florida Department of Environmental Protection (Algal Bloom Sampling). Place named: “Willoughby Canal - E of Lake Conway”. Location: 28.46572, -81.34050; location source: given in the source record, accurate to about 10 metres.

2. Waters named in the notice

The notice names: “Willoughby Canal”. DirtyWaterWatch links this report to Lake Conway, FL. Match basis: the report's location, matched to the nearest tracked water.

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When it happened and when it was reported

Event and notice times use Eastern Time (EST or EDT). Retrieval times use Coordinated Universal Time (UTC).

Started

Oct 19, 2026, 1:12 PM EDT

Ended

not reported

Detail provided by the source

Times known to the minute

Reported to the source

not given

Published

not given

Source last updated

Nov 4, 2026, 9:43 AM EST

Last retrieved by DirtyWaterWatch

2026-11-05 01:05 UTC

What was reported

Type

Cyanobacteria (harmful blue-green algae) can make water unfit for contact; the issuing authority decides when its advisory ends.

Status in the record

Advisory active

Material

“algal bloom (Dominant taxon: Microcystis aeruginosa; Pending)”

Advice from Florida Department of Environmental Protection (Algal Bloom Sampling)

This report includes no advice. Check current local health notices.

Advice period

This report does not state a period. See the rule DirtyWaterWatch applies and its source.

Basis

not stated

Status history from this report

• Discharge or advisory reported Lake Conway: Official advisory in effect, Oct 19, 2026, 1:12 PM EDT to Nov 18, 2026, 9:43 AM EST (the end is scheduled: a new report can change it)
• No current status shown Lake Conway: advisory not re-confirmed by its source recently, no map colour, Nov 18, 2026, 9:43 AM EST to Jan 17, 2027, 12:12 PM EST (scheduled: a new report can change it)

Source: DirtyWaterWatch calculations using this report and the published status rules. Updated 2026-11-05 01:25 UTC.

Source and versions

Source

Florida DEP Algal Bloom Sampling, blooms and toxins by site

Source record number

cebe07ba-e257-4736-87fa-13561bcd839f

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "site": "Willoughby Canal - E of Lake Conway",
  "site_key": "willoughby canal e of lake conway",
  "county": "Orange",
  "group": "CEROC",
  "visits": [
    {
      "time": "2026-10-19T13:12:00-04:00",
      "globalid": "cebe07ba-e257-4736-87fa-13561bcd839f",
      "bloom_observed": "No",
      "toxin_present": "Yes",
      "microcystin": "0.12 I (I qualifier indicates that the reported value is between the laboratory method detection limit and the laboratory practical quantitation limit.)",
      "other_toxins": "Anatoxin-a: not detected; Cylindrospermopsin: not detected; Nodularin-R: not detected; Saxitoxins: not detected",
      "taxa": "Dominant taxon: Microcystis aeruginosa",
      "cyanobacteria_dominant": "Yes",
      "sample_depth": "SurfaceGrab",
      "group": "CEROC",
      "edited": "2026-11-04T02:38:43.632000-05:00"
    },
    {
      "time": "2026-11-04T09:43:00-05:00",
      "globalid": "f1b8c10d-9fdb-4271-84ba-2f5f2d24b11e",
      "bloom_observed": "Yes",
      "toxin_present": "Pending",
      "microcystin": "Pending",
      "other_toxins": "Pending",
      "taxa": "Pending",
      "cyanobacteria_dominant": "Pending",
      "sample_depth": "SurfaceGrab",
      "group": "CEROC",
      "edited": "2026-11-04T14:27:40.469000-05:00"
    }
  ],
  "basis": "Florida DEP observed an algal bloom, or found an algal toxin, in a sample at this site. This is a sampling result, not a health advisory; the Florida Department of Health issues health alerts separately."
}