Monroe County·Florida Keys·Atlantic Coast
Anne's Beach water quality history
This page gives swimmers deeper historical context for Anne's Beach: recent readings, spike frequency, and how often the displayed station history has reached poor territory.
Current picture
POOR on the latest sample at 84 CFU/100mL.
Recent-sample context
8 poor samples and 8 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.
Poor samples shown
8
out of 12 displayed samples.
Latest poor sample
September 8, 2026
This is the last time the displayed history shows a poor result.
Displayed-sample risk
67%
share of poor samples in the displayed history.
Water Quality History — Latest Samples
Sample source: Anne's Beach
Values in CFU/100mL. Green = Good (≤35.4), Yellow = Moderate (35.5–70.4), Red = Poor (≥70.5)
Nearby Beaches With Lower Risk
Nearby alternatives →Bahia Honda State Park
Monroe County · Atlantic Coast · 31 mi away
No poor samples in the displayed history · risk 0%
Matheson Hammock Beach
Miami-Dade County · Atlantic Coast · 67 mi away
Nearby-station context from KEY BISCAYNE BEACH, about 7.0 mi away; not an exact-beach sample.
Nearby-station data · No poor samples in the displayed history · risk 0%
Sombrero Beach
Monroe County · Atlantic Coast · 20 mi away
Last poor sample Apr 7 · risk 8%
South Beach
Miami-Dade County · Atlantic Coast · 77 mi away
Last poor sample Aug 3 · risk 8%
Haulover Beach
Miami-Dade County · Atlantic Coast · 85 mi away
Last poor sample Sep 8 · risk 17%
Virginia Key Beach
Miami-Dade County · Atlantic Coast · 74 mi away
Last poor sample Sep 10 · risk 17%
Recent Warning-Sign Samples
Full history →September 8, 2026
84 CFU/100mL · POOR
August 25, 2026
121 CFU/100mL · POOR
August 11, 2026
246 CFU/100mL · POOR
July 28, 2026
624 CFU/100mL · POOR
July 14, 2026
233 CFU/100mL · POOR
June 16, 2026
86 CFU/100mL · POOR
Keep Exploring Nearby
How To Use This Page
This page gives swimmers deeper historical context for Anne's Beach: recent readings, spike frequency, and how often the displayed station history has reached poor territory.
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 Anne's 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.