Oelsner Park 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
30 per 100 mL
Past 12 months
10 of 19 tests Good, 5 Poor

Results over time

101001000Apr 15, 2024: 10 per 100 mL (Good)May 6, 2024: 31 per 100 mL (Good)Jun 3, 2024: 20 per 100 mL (Good)Jun 24, 2024: 41 per 100 mL (Moderate)Jul 8, 2024: 10 per 100 mL (Good)Jul 22, 2024: 85 per 100 mL (Poor)Aug 26, 2024: 20 per 100 mL (Good)Sep 9, 2024: 31 per 100 mL (Good)Sep 23, 2024: 20 per 100 mL (Good)Mar 10, 2025: 63 per 100 mL (Moderate)Mar 24, 2025: 10 per 100 mL (Good)Apr 7, 2025: 20 per 100 mL (Good)Apr 21, 2025: 10 per 100 mL (Good)May 5, 2025: 30 per 100 mL (Good)May 28, 2025: 10 per 100 mL (Good)Jun 9, 2025: 10 per 100 mL (Good)Jun 24, 2025: 41 per 100 mL (Moderate)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: 148 per 100 mL (Poor)Aug 25, 2025: 820 per 100 mL (Poor)Sep 16, 2025: 10 per 100 mL (Good)Sep 22, 2025: 10 per 100 mL (Good)Oct 6, 2025: 52 per 100 mL (Moderate)Oct 20, 2025: 31 per 100 mL (Good)Mar 2, 2026: 31 per 100 mL (Good)Mar 16, 2026: 70 per 100 mL (Moderate)Mar 30, 2026: 10 per 100 mL (Good)Apr 13, 2026: 10 per 100 mL (Good)Apr 27, 2026: 20 per 100 mL (Good)May 11, 2026: 30 per 100 mL (Good)May 26, 2026: 600 per 100 mL (Poor)Jun 1, 2026: 97 per 100 mL (Poor)Jun 8, 2026: 10 per 100 mL (Good)Jun 22, 2026: 41 per 100 mL (Moderate)Jul 13, 2026: 97 per 100 mL (Poor)Jul 27, 2026: 41 per 100 mL (Moderate)Aug 10, 2026: 10 per 100 mL (Good)Aug 24, 2026: 795 per 100 mL (Poor)Aug 31, 2026: 163 per 100 mL (Poor)Sep 8, 2026: 31 per 100 mL (Good)Sep 21, 2026: 52 per 100 mL (Moderate)Oct 5, 2026: 10 per 100 mL (Good)Oct 19, 2026: 30 per 100 mL (Good)20252026
Enterococci per 100 mL, log scale. Lines mark the Moderate (36) and Poor (71) levels.

Recent tests

DateEnterococci per 100 mLRating
Oct 19, 202630Good
Oct 5, 202610Good
Sep 21, 202652Moderate
Sep 8, 202631Good
Aug 31, 2026163Poor
Aug 24, 2026795Poor Advisory
Aug 10, 202610Good
Jul 27, 202641Moderate
Jul 13, 202697Poor Advisory
Jun 22, 202641Moderate
Jun 8, 202610Good
Jun 1, 202697Poor Advisory
May 26, 2026600Poor Advisory
May 11, 202630Good
Apr 27, 202620Good
Apr 13, 202610Good

The long view

The state has 569 tests on record for Oelsner Park Beach over 27 years, starting August 2000. In the last 10 years, 8 tests of 45 (18%) came back Poor, well 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 OELSNER PARK BEACH (Pasco County, EPA beach ID FL039200), at 28.27769, -82.72820. 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.