Sarasota County·Sarasota / Bradenton·Gulf Coast

Siesta Key Beach recent bacteria spikes

This page is for people who want to know whether the displayed station history used for Siesta Key Beach has shown recent warning signs, not just what the most recent badge says.

MODERATELatest sample: September 8, 202652 CFU/100mL8% poor-sample history

Current picture

MODERATE on the latest sample at 52 CFU/100mL.

Recent-sample context

1 poor samples and 2 non-good samples in the displayed history.

Rain still matters

Stormwater can make this page stale faster than the normal testing schedule, especially after heavy rain.

Non-good samples

2

moderate or poor samples in the displayed history.

Latest non-good sample

September 8, 2026

This helps you see whether the trouble signs are old or relatively recent.

Poor samples

1

poor samples in the displayed history at this beach.

Water Quality History — Latest Samples

Sample source: Siesta Key Beach

35.4
70.5
10
Jun
10
Jul
10
Jul
10
Jul
10
Jul
10
Aug
169
Aug
10
Aug
10
Aug
10
Aug
10
Aug
52
Sep

Values in CFU/100mL. Green = Good (≤35.4), Yellow = Moderate (35.5–70.4), Red = Poor (≥70.5)

Nearby Beaches With Fewer Warning Signs

History view →

These nearby beaches are sorted toward steadier after-rain options so you can compare Siesta Key Beach against places with fewer warning signs.

Recent Warning-Sign Samples

Full history →

September 8, 2026

52 CFU/100mL · MODERATE

MODERATE

August 10, 2026

169 CFU/100mL · POOR

POOR

How To Use This Page

This page is for people who want to know whether the displayed station history used for Siesta Key Beach has shown recent warning signs, not just what the most recent badge says.

Use this view as a decision aid, not a guarantee. The latest sample, visible runoff, and recent weather still matter more than any single list or chart.

If you want the main same-day answer instead, go back to the Siesta Key Beach beach page.

Data from FL DOH Healthy Beaches Program. This is an independent project, not official real-time clearance — check with Florida DOH for official conditions.