Miramar - County Park Water Quality

Walton County, Florida

No recent test

There is no test from the last 45 days.

Latest test
Oct 27, 2025 (374 days ago)
Enterococci
10 per 100 mL

The newest result we have is from Oct 27, 2025. Testing sometimes pauses; check the county health department's page or the signs at the beach.

Results over time

101001000Mar 1, 2022: 10 per 100 mL (Good)Mar 15, 2022: 10 per 100 mL (Good)Mar 29, 2022: 10 per 100 mL (Good)Apr 12, 2022: 10 per 100 mL (Good)Apr 25, 2022: 10 per 100 mL (Good)May 9, 2022: 10 per 100 mL (Good)May 31, 2022: 10 per 100 mL (Good)Jun 14, 2022: 41 per 100 mL (Moderate)Jun 28, 2022: 10 per 100 mL (Good)Jul 11, 2022: 10 per 100 mL (Good)Jul 25, 2022: 10 per 100 mL (Good)Aug 8, 2022: 10 per 100 mL (Good)Aug 23, 2022: 10 per 100 mL (Good)Sep 6, 2022: 10 per 100 mL (Good)Sep 20, 2022: 10 per 100 mL (Good)Mar 7, 2023: 10 per 100 mL (Good)Mar 21, 2023: 10 per 100 mL (Good)Apr 3, 2023: 10 per 100 mL (Good)Apr 18, 2023: 10 per 100 mL (Good)May 1, 2023: 10 per 100 mL (Good)May 15, 2023: 10 per 100 mL (Good)May 30, 2023: 10 per 100 mL (Good)Jun 12, 2023: 20 per 100 mL (Good)Jun 26, 2023: 41 per 100 mL (Moderate)Jul 10, 2023: 10 per 100 mL (Good)Jul 24, 2023: 10 per 100 mL (Good)Aug 7, 2023: 10 per 100 mL (Good)Aug 21, 2023: 31 per 100 mL (Good)Sep 5, 2023: 10 per 100 mL (Good)Sep 18, 2023: 10 per 100 mL (Good)Oct 2, 2023: 52 per 100 mL (Moderate)Oct 16, 2023: 10 per 100 mL (Good)Oct 30, 2023: 10 per 100 mL (Good)Mar 4, 2024: 10 per 100 mL (Good)Mar 18, 2024: 10 per 100 mL (Good)Apr 1, 2024: 10 per 100 mL (Good)Apr 15, 2024: 10 per 100 mL (Good)Apr 29, 2024: 10 per 100 mL (Good)May 13, 2024: 10 per 100 mL (Good)May 28, 2024: 10 per 100 mL (Good)Jun 10, 2024: 10 per 100 mL (Good)Jun 24, 2024: 10 per 100 mL (Good)Jul 8, 2024: 10 per 100 mL (Good)Jul 22, 2024: 10 per 100 mL (Good)Aug 7, 2024: 10 per 100 mL (Good)Aug 19, 2024: 20 per 100 mL (Good)Sep 3, 2024: 10 per 100 mL (Good)Sep 16, 2024: 20 per 100 mL (Good)Sep 30, 2024: 10 per 100 mL (Good)Oct 14, 2024: 10 per 100 mL (Good)Oct 28, 2024: 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: 30 per 100 mL (Good)May 27, 2025: 10 per 100 mL (Good)Jun 9, 2025: 10 per 100 mL (Good)Jun 23, 2025: 10 per 100 mL (Good)Jul 7, 2025: 10 per 100 mL (Good)Jul 23, 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: 20 per 100 mL (Good)Oct 27, 2025: 10 per 100 mL (Good)202320242025
Enterococci per 100 mL, log scale. Lines mark the Moderate (36) and Poor (71) levels.

Recent tests

DateEnterococci per 100 mLRating
Oct 27, 202510Good
Oct 13, 202520Good
Sep 29, 202510Good
Sep 15, 202510Good
Sep 2, 202510Good
Aug 18, 202510Good
Aug 4, 202510Good
Jul 23, 202510Good
Jul 7, 202510Good
Jun 23, 202510Good
Jun 9, 202510Good
May 27, 202510Good
May 12, 202530Good
Apr 28, 202510Good
Apr 14, 202510Good
Mar 17, 202510Good

The long view

The state has 929 tests on record for Miramar - County Park over 26 years, starting August 2000. In the last 10 years, 6 tests of 218 (3%) 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 MIRAMAR - COUNTY PARK (Walton County, EPA beach ID FL538865), at 30.37781, -86.38755. 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.