Nassau County · Northeast Florida · Atlantic Coast
Fort Clinch State Park Beach water quality history
This page is for swimmers who want the deeper historical story at Fort Clinch State Park Beach: recent readings, spike frequency, and how often the beach has slipped into poor territory.
Current picture
GOOD on the latest sample at 12 CFU/100mL.
Long-term context
2 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.
Poor samples shown
2
out of 12 displayed samples.
Latest poor sample
February 28, 2026
This is the last time the displayed history shows a poor result.
Historical risk
17%
share of poor samples in the displayed history.
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 Lower Risk
Nearby alternatives →Kathryn Abbey Hanna Park
Duval County · Atlantic Coast · 22 mi away
No poor samples in the displayed history · risk 0%
Atlantic Beach
Duval County · Atlantic Coast · 25 mi away
No poor samples in the displayed history · risk 0%
Neptune Beach
Duval County · Atlantic Coast · 27 mi away
No poor samples in the displayed history · risk 0%
Ponte Vedra Beach
St. Johns County · Atlantic Coast · 32 mi away
No poor samples in the displayed history · risk 0%
Vilano Beach
St. Johns County · Atlantic Coast · 54 mi away
No poor samples in the displayed history · risk 0%
Fernandina Beach
Nassau County · Atlantic Coast · 2 mi away
No poor samples in the displayed history · risk 0%
Recent Warning-Sign Samples
Full history →February 28, 2026
105 CFU/100mL · POOR
February 13, 2026
94 CFU/100mL · POOR
How To Use This Page
This page is for swimmers who want the deeper historical story at Fort Clinch State Park Beach: recent readings, spike frequency, and how often the beach has slipped into 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 Fort Clinch State Park Beach beach page.
Data from FL DOH Healthy Beaches Program. This is an independent project — check with Florida DOH for official conditions.