Duval County · Northeast Florida · Atlantic Coast
Jacksonville Beach recent bacteria spikes
This page is for people who want to know whether Jacksonville Beach has shown recent warning signs, not just what the most recent badge says.
Current picture
GOOD on the latest sample at 4 CFU/100mL.
Long-term context
4 poor samples and 12 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
12
moderate or poor samples in the displayed history.
Latest non-good sample
March 15, 2026
This helps you see whether the trouble signs are old or relatively recent.
Poor samples
4
poor samples in the displayed history at this beach.
Water Quality History — Last 12 Months
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 Jacksonville Beach against places with fewer warning signs.
Neptune Beach
Duval County · Atlantic Coast · 2 mi away
No non-good samples in the displayed history
Atlantic Beach
Duval County · Atlantic Coast · 3 mi away
No non-good samples in the displayed history
Ponte Vedra Beach
St. Johns County · Atlantic Coast · 3 mi away
No non-good samples in the displayed history
Kathryn Abbey Hanna Park
Duval County · Atlantic Coast · 7 mi away
No non-good samples in the displayed history
Vilano Beach
St. Johns County · Atlantic Coast · 26 mi away
No non-good samples in the displayed history
Fernandina Beach
Nassau County · Atlantic Coast · 27 mi away
No non-good samples in the displayed history
Recent Warning-Sign Samples
Full history →March 15, 2026
77 CFU/100mL · POOR
February 28, 2026
69 CFU/100mL · MODERATE
February 13, 2026
45 CFU/100mL · MODERATE
January 29, 2026
106 CFU/100mL · POOR
January 14, 2026
120 CFU/100mL · POOR
December 30, 2025
49 CFU/100mL · MODERATE
How To Use This Page
This page is for people who want to know whether Jacksonville 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 Jacksonville Beach beach page.
Data from FL DOH Healthy Beaches Program. This is an independent project — check with Florida DOH for official conditions.