Hillsborough County · Tampa Bay Area · Gulf Coast
Davis Islands Beach water quality history
This page is for swimmers who want the deeper historical story at Davis Islands Beach: recent readings, spike frequency, and how often the beach has slipped into poor territory.
Current picture
POOR on the latest sample at 120 CFU/100mL.
Long-term context
3 poor samples and 12 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
3
out of 12 displayed samples.
Latest poor sample
October 31, 2025
This is the last time the displayed history shows a poor result.
Historical risk
25%
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 →Treasure Island Beach
Pinellas County · Gulf Coast · 21 mi away
No poor samples in the displayed history · risk 0%
Madeira Beach
Pinellas County · Gulf Coast · 22 mi away
No poor samples in the displayed history · risk 0%
Sand Key Beach
Pinellas County · Gulf Coast · 22 mi away
No poor samples in the displayed history · risk 0%
St. Pete Beach
Pinellas County · Gulf Coast · 22 mi away
No poor samples in the displayed history · risk 0%
Picnic Island Beach
Hillsborough County · Gulf Coast · 7 mi away
No poor samples in the displayed history · risk 0%
Caladesi Island State Park
Pinellas County · Gulf Coast · 23 mi away
No poor samples in the displayed history · risk 0%
Recent Warning-Sign Samples
Full history →March 15, 2026
48 CFU/100mL · MODERATE
February 28, 2026
55 CFU/100mL · MODERATE
February 13, 2026
49 CFU/100mL · MODERATE
January 29, 2026
50 CFU/100mL · MODERATE
January 14, 2026
54 CFU/100mL · MODERATE
December 30, 2025
44 CFU/100mL · MODERATE
Keep Exploring Nearby
How To Use This Page
This page is for swimmers who want the deeper historical story at Davis Islands 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 Davis Islands Beach beach page.
Data from FL DOH Healthy Beaches Program. This is an independent project — check with Florida DOH for official conditions.