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Cyanobacteria advisory (harmful blue-green algae) reported, Sep 10, 2026

Advisory lifted · 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 f8f77681-526d-4734-9d73-34cc6f923900, updated by the source Sep 10, 2026, 10:05 AM EDT, 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: “Stick Marsh - North (STKM)”. Location: 27.81065, -80.72485; location source: given in the source record, accurate to about 10 metres.

2. Waters named in the notice

The notice names: “Stick Marsh”. Not linked to a mapped 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

Sep 10, 2026, 10:05 AM EDT

Ended

Sep 21, 2026, 9:05 AM EDT

Detail provided by the source

Times known to the minute

Reported to the source

not given

Published

not given

Source last updated

Sep 10, 2026, 10:05 AM EDT

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 lifted

Material

“algal bloom (Dominant taxon: Planktolyngbya limnetica; Co-dominant taxa were: Raphidiopsis raciborskii and Planktolyngbya limnetica)”

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 a water not yet on the map: Official advisory in effect, Sep 10, 2026, 10:05 AM EDT to Sep 21, 2026, 9:05 AM EDT

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

f8f77681-526d-4734-9d73-34cc6f923900

Original notice

Read the original notice

Earlier version

None: this is the first record

Later versions

None

{
  "site": "Stick Marsh - North (STKM)",
  "site_key": "stick marsh north stkm",
  "county": "IndianRiver",
  "group": "SJRWMD",
  "visits": [
    {
      "time": "2026-09-10T10:05:00-04:00",
      "globalid": "f8f77681-526d-4734-9d73-34cc6f923900",
      "bloom_observed": "Yes",
      "toxin_present": "No",
      "microcystin": "not detected",
      "other_toxins": "Anatoxin-a: not detected; Cylindrospermopsin: not detected; Nodularin-R: not detected; Saxitoxins: not detected",
      "taxa": "Dominant taxon: Planktolyngbya limnetica",
      "cyanobacteria_dominant": "Yes",
      "sample_depth": "SurfaceGrab",
      "group": "SJRWMD",
      "edited": "2026-11-04T02:38:21.043000-05:00"
    },
    {
      "time": "2026-09-21T09:05:00-04:00",
      "globalid": "c19f16aa-56c6-49bc-bef1-8c1f458cc8cb",
      "bloom_observed": "No",
      "toxin_present": "No",
      "microcystin": "not detected",
      "other_toxins": "Anatoxin-a: not detected; Cylindrospermopsin: not detected; Nodularin-R: not detected; Saxitoxins: not detected",
      "taxa": "Co-dominant taxa were: Raphidiopsis raciborskii and Planktolyngbya limnetica",
      "cyanobacteria_dominant": "Yes",
      "sample_depth": "SurfaceGrab",
      "group": "SJRWMD",
      "edited": "2026-11-04T02:38:26.984000-05:00"
    }
  ],
  "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.",
  "ended_at_basis": "the next visit found no bloom and no toxin"
}