Pinellas County · Tampa Bay Area · Gulf Coast

Clearwater Beach water quality history

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

GOOD Latest sample: May 11, 2026 4 CFU/100mL 8% 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

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.

Poor samples shown

1

out of 12 displayed samples.

Latest poor sample

January 29, 2026

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

Historical risk

8%

share of poor samples in the displayed history.

Water Quality History — Last 12 Months

35.4
70.5
16
Oct
12
Oct
18
Oct
14
Nov
15
Nov
12
Dec
15
Dec
18
Jan
81
Jan
14
Feb
13
Feb
16
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 →

Sand Key Beach

Pinellas County · Gulf Coast · 2 mi away

GOOD
Tested May 11, 2026 4 CFU/100mL

No poor samples in the displayed history · risk 0%

Caladesi Island State Park

Pinellas County · Gulf Coast · 4 mi away

GOOD
Tested May 11, 2026 4 CFU/100mL

No poor samples in the displayed history · risk 0%

Honeymoon Island State Park

Pinellas County · Gulf Coast · 7 mi away

GOOD
Tested May 11, 2026 4 CFU/100mL

No poor samples in the displayed history · risk 0%

St. Pete Beach

Pinellas County · Gulf Coast · 18 mi away

GOOD
Tested May 11, 2026 4 CFU/100mL

No poor samples in the displayed history · risk 0%

Madeira Beach

Pinellas County · Gulf Coast · 13 mi away

GOOD
Tested May 11, 2026 8 CFU/100mL

No poor samples in the displayed history · risk 0%

Treasure Island Beach

Pinellas County · Gulf Coast · 15 mi away

GOOD
Tested May 11, 2026 8 CFU/100mL

No poor samples in the displayed history · risk 0%

Recent Warning-Sign Samples

Full history →

January 29, 2026

81 CFU/100mL · POOR

POOR

Keep Exploring Nearby

Pinellas County Tampa Bay Area Beaches near Tampa Beaches near St. Petersburg Beaches near Clearwater

How To Use This Page

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

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