Picnic Island South Water Quality

Hillsborough County, Florida

Good

The latest test found low bacteria levels (35 or fewer per 100 mL).

Latest test
Nov 3, 2026 (2 days ago)
Enterococci
<10 per 100 mL
Past 12 months
19 of 20 tests Good

Results over time

101001000Jun 24, 2026: 68 per 100 mL (Moderate)Jun 30, 2026: <10 per 100 mL (Good)Jul 8, 2026: <10 per 100 mL (Good)Jul 15, 2026: <10 per 100 mL (Good)Jul 22, 2026: <10 per 100 mL (Good)Jul 29, 2026: <10 per 100 mL (Good)Aug 6, 2026: 12 per 100 mL (Good)Aug 12, 2026: <10 per 100 mL (Good)Aug 19, 2026: <10 per 100 mL (Good)Aug 26, 2026: <10 per 100 mL (Good)Sep 1, 2026: <10 per 100 mL (Good)Sep 9, 2026: <10 per 100 mL (Good)Sep 15, 2026: <10 per 100 mL (Good)Sep 23, 2026: <10 per 100 mL (Good)Sep 30, 2026: <10 per 100 mL (Good)Oct 7, 2026: 12 per 100 mL (Good)Oct 14, 2026: <10 per 100 mL (Good)Oct 21, 2026: <10 per 100 mL (Good)Oct 28, 2026: <10 per 100 mL (Good)Nov 3, 2026: <10 per 100 mL (Good)
Enterococci per 100 mL, log scale. Lines mark the Moderate (36) and Poor (71) levels.

Recent tests

DateEnterococci per 100 mLRating
Nov 3, 2026<10Good
Oct 28, 2026<10Good
Oct 21, 2026<10Good
Oct 14, 2026<10Good
Oct 7, 202612Good
Sep 30, 2026<10Good
Sep 23, 2026<10Good
Sep 15, 2026<10Good
Sep 9, 2026<10Good
Sep 1, 2026<10Good
Aug 26, 2026<10Good
Aug 19, 2026<10Good
Aug 12, 2026<10Good
Aug 6, 202612Good
Jul 29, 2026<10Good
Jul 22, 2026<10Good

The long view

The state has 715 tests on record for Picnic Island South over 27 years, starting July 2000. In the last 10 years, 0 tests of 20 (0%) came back Poor, below the rate for all Florida sampled beaches (6.1%). Bacteria levels usually jump after heavy rain, when stormwater washes to the shore, and drop again within a day or two.

Nearby sampled beaches

About this site

Sampling site PICNIC ISLAND SOUTH (Hillsborough County, EPA beach ID FL690141), at 27.84937, -82.55467. Results are from the Florida Department of Health's Healthy Beaches Program; years before 2026 come from the state's submissions to EPA's Water Quality Portal.