Hillsborough County · Tampa Bay Area · Gulf Coast

Picnic Island Beach water quality history

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

GOOD Latest sample: May 13, 2026 4 CFU/100mL 0% poor-sample history

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
11
Oct
8
Oct
8
Oct
10
Nov
11
Nov
8
Dec
12
Dec
12
Jan
12
Jan
9
Feb
10
Feb
10
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 →

Recent Warning-Sign Samples

Full history →
No non-good readings appear in the displayed history for Picnic Island Beach.

How To Use This Page

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

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