Pinellas County·Tampa Bay Area·Gulf Coast
Treasure Island Beach nearby-station water quality history
This page gives swimmers deeper historical context for Treasure Island Beach: recent readings, spike frequency, and how often the displayed station history has reached poor territory. The displayed readings belong to MADEIRA BEACH, about 3.5 miles away, and were not collected at Treasure Island Beach.
Current picture
GOOD at MADEIRA BEACH, the nearby station about 3.5 miles away, at 4 CFU/100mL.
Recent-sample 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
May 26, 2026
This is the last time the displayed history shows a poor result.
Displayed-sample risk
8%
share of poor samples in the displayed history.
Water Quality History — Latest Samples
Sample source: MADEIRA BEACH (nearby station for Treasure Island Beach)
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 →St. Pete Beach
Pinellas County · Gulf Coast · 3 mi away
Nearby-station context from PASS-A-GRILLE BEACH, about 1.9 mi away; not an exact-beach sample.
Nearby-station data · No poor samples in the displayed history · risk 0%
Fort De Soto Park Beach
Pinellas County · Gulf Coast · 10 mi away
No poor samples in the displayed history · risk 0%
Indian Rocks Beach
Pinellas County · Gulf Coast · 10 mi away
No poor samples in the displayed history · risk 0%
Sand Key Beach
Pinellas County · Gulf Coast · 13 mi away
No poor samples in the displayed history · risk 0%
Anna Maria Island Beach
Manatee County · Gulf Coast · 17 mi away
Nearby-station context from BAYFRONT PARK NORTH, about 0.4 mi away; not an exact-beach sample.
Nearby-station data · No poor samples in the displayed history · risk 0%
Picnic Island Beach
Hillsborough County · Gulf Coast · 14 mi away
No poor samples in the displayed history · risk 0%
Recent Warning-Sign Samples
Full history →May 26, 2026
88 CFU/100mL · POOR
How To Use This Page
This page gives swimmers deeper historical context for Treasure Island Beach: recent readings, spike frequency, and how often the displayed station history has reached poor territory. The displayed readings belong to MADEIRA BEACH, about 3.5 miles away, and were not collected at Treasure Island Beach.
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 Treasure Island Beach beach page.
Data from FL DOH Healthy Beaches Program. This is an independent project, not official real-time clearance — check with Florida DOH for official conditions.