Clearwater Beach - Mandalay Park Water Quality

Pinellas County, Florida

Good

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

Latest test
Oct 26, 2026 (10 days ago)
Enterococci
<10 per 100 mL
Past 12 months
22 of 25 tests Good, 3 Poor

Results over time

101001000Nov 15, 2021: <10 per 100 mL (Good)Nov 29, 2021: <10 per 100 mL (Good)Dec 13, 2021: <10 per 100 mL (Good)Dec 27, 2021: <10 per 100 mL (Good)Jan 10, 2022: <10 per 100 mL (Good)Jan 24, 2022: <10 per 100 mL (Good)Feb 7, 2022: <10 per 100 mL (Good)Feb 21, 2022: <10 per 100 mL (Good)Mar 7, 2022: <10 per 100 mL (Good)Mar 21, 2022: <10 per 100 mL (Good)Apr 4, 2022: <10 per 100 mL (Good)Apr 18, 2022: <10 per 100 mL (Good)May 2, 2022: <10 per 100 mL (Good)May 9, 2022: <10 per 100 mL (Good)May 23, 2022: <10 per 100 mL (Good)Jun 6, 2022: <10 per 100 mL (Good)Jun 21, 2022: <10 per 100 mL (Good)Jul 5, 2022: 12 per 100 mL (Good)Jul 18, 2022: <10 per 100 mL (Good)Aug 1, 2022: <10 per 100 mL (Good)Aug 15, 2022: 12 per 100 mL (Good)Aug 29, 2022: <10 per 100 mL (Good)Sep 12, 2022: <10 per 100 mL (Good)Oct 3, 2022: <10 per 100 mL (Good)Oct 10, 2022: <10 per 100 mL (Good)Oct 24, 2022: <10 per 100 mL (Good)Nov 7, 2022: <10 per 100 mL (Good)Nov 21, 2022: <10 per 100 mL (Good)Dec 5, 2022: <10 per 100 mL (Good)Dec 19, 2022: <10 per 100 mL (Good)Jan 3, 2023: <10 per 100 mL (Good)Jan 17, 2023: <10 per 100 mL (Good)Jan 30, 2023: <10 per 100 mL (Good)Feb 13, 2023: <10 per 100 mL (Good)Feb 27, 2023: <10 per 100 mL (Good)Mar 13, 2023: <10 per 100 mL (Good)Mar 27, 2023: <10 per 100 mL (Good)Apr 10, 2023: <10 per 100 mL (Good)Apr 24, 2023: <10 per 100 mL (Good)May 8, 2023: <10 per 100 mL (Good)May 22, 2023: <10 per 100 mL (Good)Jun 5, 2023: 28 per 100 mL (Good)Jun 19, 2023: 32 per 100 mL (Good)Jul 5, 2023: 20 per 100 mL (Good)Jul 17, 2023: 12 per 100 mL (Good)Jul 31, 2023: 28 per 100 mL (Good)Aug 14, 2023: <10 per 100 mL (Good)Aug 28, 2023: 390 per 100 mL (Poor)Sep 1, 2023: <10 per 100 mL (Good)Sep 11, 2023: <10 per 100 mL (Good)Sep 25, 2023: 24 per 100 mL (Good)Oct 9, 2023: <10 per 100 mL (Good)Oct 23, 2023: <10 per 100 mL (Good)Nov 6, 2023: <10 per 100 mL (Good)Nov 20, 2023: <10 per 100 mL (Good)Dec 4, 2023: 12 per 100 mL (Good)Dec 18, 2023: 16 per 100 mL (Good)Jan 3, 2024: <10 per 100 mL (Good)Jan 16, 2024: 32 per 100 mL (Good)Jan 29, 2024: 20 per 100 mL (Good)Feb 12, 2024: <10 per 100 mL (Good)Feb 26, 2024: <10 per 100 mL (Good)Mar 11, 2024: <10 per 100 mL (Good)Mar 25, 2024: <10 per 100 mL (Good)Apr 8, 2024: <10 per 100 mL (Good)Apr 22, 2024: <10 per 100 mL (Good)May 6, 2024: <10 per 100 mL (Good)May 20, 2024: <10 per 100 mL (Good)Jun 3, 2024: <10 per 100 mL (Good)Jun 17, 2024: <10 per 100 mL (Good)Jul 1, 2024: 20 per 100 mL (Good)Jul 15, 2024: 12 per 100 mL (Good)Jul 29, 2024: <10 per 100 mL (Good)Aug 12, 2024: 84 per 100 mL (Poor)Aug 14, 2024: <10 per 100 mL (Good)Aug 26, 2024: <10 per 100 mL (Good)Sep 9, 2024: 16 per 100 mL (Good)Sep 23, 2024: <10 per 100 mL (Good)Nov 4, 2024: <10 per 100 mL (Good)Nov 11, 2024: <10 per 100 mL (Good)Nov 18, 2024: <10 per 100 mL (Good)Nov 25, 2024: <10 per 100 mL (Good)Dec 2, 2024: <10 per 100 mL (Good)Dec 16, 2024: <10 per 100 mL (Good)Jan 6, 2025: 12 per 100 mL (Good)Jan 21, 2025: <10 per 100 mL (Good)Feb 3, 2025: <10 per 100 mL (Good)Feb 18, 2025: <10 per 100 mL (Good)Mar 3, 2025: <10 per 100 mL (Good)Mar 17, 2025: <10 per 100 mL (Good)Apr 14, 2025: <10 per 100 mL (Good)Apr 28, 2025: <10 per 100 mL (Good)May 12, 2025: 92 per 100 mL (Poor)May 15, 2025: <10 per 100 mL (Good)May 27, 2025: 20 per 100 mL (Good)Jun 9, 2025: 40 per 100 mL (Moderate)Jun 23, 2025: <10 per 100 mL (Good)Jul 7, 2025: 72 per 100 mL (Poor)Jul 9, 2025: 16 per 100 mL (Good)Jul 21, 2025: <10 per 100 mL (Good)Aug 4, 2025: <10 per 100 mL (Good)Aug 18, 2025: <10 per 100 mL (Good)Sep 2, 2025: <10 per 100 mL (Good)Sep 15, 2025: <10 per 100 mL (Good)Sep 29, 2025: <10 per 100 mL (Good)Oct 13, 2025: <10 per 100 mL (Good)Oct 27, 2025: <10 per 100 mL (Good)Nov 12, 2025: <10 per 100 mL (Good)Nov 24, 2025: <10 per 100 mL (Good)Dec 8, 2025: <10 per 100 mL (Good)Dec 22, 2025: 120 per 100 mL (Poor)Dec 23, 2025: <10 per 100 mL (Good)Mar 2, 2026: <10 per 100 mL (Good)Mar 16, 2026: 72 per 100 mL (Poor)Mar 18, 2026: <10 per 100 mL (Good)Mar 30, 2026: <10 per 100 mL (Good)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: <10 per 100 mL (Good)Jun 8, 2026: <10 per 100 mL (Good)Jun 22, 2026: <10 per 100 mL (Good)Jul 7, 2026: <10 per 100 mL (Good)Jul 20, 2026: <10 per 100 mL (Good)Aug 3, 2026: 110 per 100 mL (Poor)Aug 5, 2026: <10 per 100 mL (Good)Aug 17, 2026: <10 per 100 mL (Good)Aug 31, 2026: 12 per 100 mL (Good)Sep 14, 2026: <10 per 100 mL (Good)Sep 28, 2026: <10 per 100 mL (Good)Oct 12, 2026: <10 per 100 mL (Good)Oct 26, 2026: <10 per 100 mL (Good)20222023202420252026
Enterococci per 100 mL, log scale. Lines mark the Moderate (36) and Poor (71) levels.

Recent tests

DateEnterococci per 100 mLRating
Oct 26, 2026<10Good
Oct 12, 2026<10Good
Sep 28, 2026<10Good
Sep 14, 2026<10Good
Aug 31, 202612Good
Aug 17, 2026<10Good
Aug 5, 2026<10Good
Aug 3, 2026110Poor
Jul 20, 2026<10Good
Jul 7, 2026<10Good
Jun 22, 2026<10Good
Jun 8, 2026<10Good
May 26, 2026<10Good
May 11, 2026<10Good
Apr 27, 2026<10Good
Apr 13, 2026<10Good

The long view

The state has 270 tests on record for Clearwater Beach - Mandalay Park over 10 years, starting August 2017. In the last 10 years, 12 tests of 270 (4%) 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 CLEARWATER BEACH - MANDALAY PARK (Pinellas County, EPA beach ID FL989880), at 27.98406, -82.82925. 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.