St. Johns County · Northeast Florida · Atlantic Coast

St. Augustine Beach water quality history

This page is for swimmers who want the deeper historical story at St. Augustine Beach: recent readings, spike frequency, and how often the beach has slipped into poor territory.

GOOD Latest sample: April 21, 2026 4 CFU/100mL 0% poor-sample history
Main Beach Page History Alternatives After Rain Recent Spikes

Current picture

GOOD on the latest sample at 4 CFU/100mL.

Long-term context

0 poor samples and 0 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

0

out of 12 displayed samples.

Latest poor sample

No poor sample in the displayed history

This is the last time the displayed history shows a poor result.

Historical risk

0%

share of poor samples in the displayed history.

Water Quality History — Last 12 Months

35.4
70.5
15
Oct
16
Oct
17
Oct
14
Nov
16
Nov
17
Dec
17
Dec
16
Jan
14
Jan
16
Feb
13
Feb
13
Mar

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 →

Ponte Vedra Beach

St. Johns County · Atlantic Coast · 27 mi away

GOOD
Tested Apr 27, 2026 4 CFU/100mL

No poor samples in the displayed history · risk 0%

Neptune Beach

Duval County · Atlantic Coast · 32 mi away

GOOD
Tested Apr 27, 2026 4 CFU/100mL

No poor samples in the displayed history · risk 0%

Marineland Beach

Flagler County · Atlantic Coast · 13 mi away

GOOD
Tested May 11, 2026 10 CFU/100mL

No poor samples in the displayed history · risk 0%

Vilano Beach

St. Johns County · Atlantic Coast · 5 mi away

GOOD
Tested Apr 21, 2026 28 CFU/100mL

No poor samples in the displayed history · risk 0%

Crescent Beach

St. Johns County · Atlantic Coast · 6 mi away

GOOD
Tested Apr 21, 2026 32 CFU/100mL

No poor samples in the displayed history · risk 0%

Gamble Rogers State Park Beach

Flagler County · Atlantic Coast · 25 mi away

GOOD
Tested May 11, 2026 10 CFU/100mL

Last poor sample Oct 16 · risk 8%

Recent Warning-Sign Samples

Full history →
No non-good readings appear in the displayed history for St. Augustine Beach.

Keep Exploring Nearby

St. Johns County Northeast Florida Beaches near Jacksonville Beaches near Gainesville Beaches near St. Augustine Beaches near Amelia Island

How To Use This Page

This page is for swimmers who want the deeper historical story at St. Augustine 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 St. Augustine Beach beach page.

Data from FL DOH Healthy Beaches Program. This is an independent project — check with Florida DOH for official conditions.