Gulf Harbors Beach Water Quality

Pasco County, Florida

Good

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

Latest test
Oct 19, 2026 (17 days ago)
Enterococci
10 per 100 mL
Past 12 months
13 of 17 tests Good, 2 Poor

Results over time

101001000Mar 7, 2022: 10 per 100 mL (Good)Mar 21, 2022: 10 per 100 mL (Good)Apr 11, 2022: 10 per 100 mL (Good)Apr 25, 2022: 10 per 100 mL (Good)May 9, 2022: 10 per 100 mL (Good)May 25, 2022: 10 per 100 mL (Good)Jun 7, 2022: 41 per 100 mL (Moderate)Jun 21, 2022: 10 per 100 mL (Good)Jul 6, 2022: 10 per 100 mL (Good)Jul 18, 2022: 999 per 100 mL (Poor)Aug 1, 2022: 10 per 100 mL (Good)Aug 15, 2022: 10 per 100 mL (Good)Aug 29, 2022: 20 per 100 mL (Good)Oct 3, 2022: 10 per 100 mL (Good)Oct 18, 2022: 10 per 100 mL (Good)Mar 13, 2023: 10 per 100 mL (Good)Mar 27, 2023: 10 per 100 mL (Good)Apr 10, 2023: 31 per 100 mL (Good)Apr 24, 2023: 10 per 100 mL (Good)May 8, 2023: 67 per 100 mL (Moderate)May 25, 2023: 10 per 100 mL (Good)Jun 5, 2023: 20 per 100 mL (Good)Jun 19, 2023: 10 per 100 mL (Good)Jul 5, 2023: 20 per 100 mL (Good)Jul 19, 2023: 10 per 100 mL (Good)Aug 7, 2023: 10 per 100 mL (Good)Aug 21, 2023: 10 per 100 mL (Good)Sep 11, 2023: 10 per 100 mL (Good)Sep 25, 2023: 10 per 100 mL (Good)Oct 16, 2023: 10 per 100 mL (Good)Oct 30, 2023: 10 per 100 mL (Good)Mar 11, 2024: 10 per 100 mL (Good)Apr 1, 2024: 10 per 100 mL (Good)Apr 15, 2024: 10 per 100 mL (Good)May 6, 2024: 10 per 100 mL (Good)Jun 3, 2024: 10 per 100 mL (Good)Jun 24, 2024: 10 per 100 mL (Good)Jul 8, 2024: 41 per 100 mL (Moderate)Jul 22, 2024: 10 per 100 mL (Good)Aug 26, 2024: 10 per 100 mL (Good)Sep 9, 2024: 10 per 100 mL (Good)Sep 23, 2024: 10 per 100 mL (Good)Mar 10, 2025: 10 per 100 mL (Good)Mar 24, 2025: 10 per 100 mL (Good)Apr 7, 2025: 10 per 100 mL (Good)Apr 21, 2025: 10 per 100 mL (Good)May 5, 2025: 10 per 100 mL (Good)May 28, 2025: 10 per 100 mL (Good)Jun 9, 2025: 10 per 100 mL (Good)Jun 24, 2025: 10 per 100 mL (Good)Jul 7, 2025: 10 per 100 mL (Good)Jul 21, 2025: 41 per 100 mL (Moderate)Aug 5, 2025: 10 per 100 mL (Good)Aug 18, 2025: 10 per 100 mL (Good)Sep 16, 2025: 10 per 100 mL (Good)Sep 22, 2025: 20 per 100 mL (Good)Oct 6, 2025: 410 per 100 mL (Poor)Oct 20, 2025: 10 per 100 mL (Good)Mar 2, 2026: 10 per 100 mL (Good)Mar 16, 2026: 20 per 100 mL (Good)Mar 30, 2026: 41 per 100 mL (Moderate)Apr 13, 2026: 10 per 100 mL (Good)Apr 27, 2026: 10 per 100 mL (Good)May 11, 2026: 10 per 100 mL (Good)May 26, 2026: 20 per 100 mL (Good)Jun 8, 2026: 10 per 100 mL (Good)Jun 22, 2026: 10 per 100 mL (Good)Jul 13, 2026: 10 per 100 mL (Good)Jul 27, 2026: 63 per 100 mL (Moderate)Aug 10, 2026: 345 per 100 mL (Poor)Aug 24, 2026: 10 per 100 mL (Good)Sep 8, 2026: 600 per 100 mL (Poor)Sep 21, 2026: 10 per 100 mL (Good)Oct 5, 2026: 10 per 100 mL (Good)Oct 19, 2026: 10 per 100 mL (Good)2023202420252026
Enterococci per 100 mL, log scale. Lines mark the Moderate (36) and Poor (71) levels.

Recent tests

DateEnterococci per 100 mLRating
Oct 19, 202610Good
Oct 5, 202610Good
Sep 21, 202610Good
Sep 8, 2026600Poor Advisory
Aug 24, 202610Good
Aug 10, 2026345Poor Advisory
Jul 27, 202663Moderate
Jul 13, 202610Good
Jun 22, 202610Good
Jun 8, 202610Good
May 26, 202620Good
May 11, 202610Good
Apr 27, 202610Good
Apr 13, 202610Good
Mar 30, 202641Moderate
Mar 16, 202620Good

The long view

The state has 789 tests on record for Gulf Harbors Beach over 27 years, starting August 2000. In the last 10 years, 20 tests of 177 (11%) came back Poor, above 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 GULF HARBORS BEACH (Pasco County, EPA beach ID FL602631), at 28.23789, -82.76283. 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.