St. Lucie County · Treasure Coast · Atlantic Coast
Avalon State Park Beach recent bacteria spikes
This page is for people who want to know whether Avalon State Park Beach has shown recent warning signs, not just what the most recent badge says.
Current picture
GOOD on the latest sample at 10 CFU/100mL.
Long-term context
1 poor samples and 1 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
1
moderate or poor samples in the displayed history.
Latest non-good sample
January 29, 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 — 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 Avalon State Park Beach against places with fewer warning signs.
Fort Pierce Inlet State Park Beach
St. Lucie County · Atlantic Coast · 3 mi away
No non-good samples in the displayed history
Vero Beach
Indian River County · Atlantic Coast · 9 mi away
No non-good samples in the displayed history
Jensen Beach
Martin County · Atlantic Coast · 21 mi away
No non-good samples in the displayed history
Sebastian Inlet Beach
Indian River County · Atlantic Coast · 25 mi away
No non-good samples in the displayed history
Jaycee Beach Park
Indian River County · Atlantic Coast · 9 mi away
Latest non-good sample Feb 13
Bathtub Reef Beach
Martin County · Atlantic Coast · 27 mi away
Latest non-good sample Mar 15
Recent Warning-Sign Samples
Full history →January 29, 2026
100 CFU/100mL · POOR
Keep Exploring Nearby
How To Use This Page
This page is for people who want to know whether Avalon State Park 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 Avalon State Park Beach beach page.
Data from FL DOH Healthy Beaches Program. This is an independent project — check with Florida DOH for official conditions.