The latest test found low bacteria levels (35 or fewer per 100 mL).
Latest test
Nov 2, 2026 (3 days ago)
Enterococci
20 per 100 mL
Past 12 months
15 of 20 tests Good, 3 Poor
Results over time
Enterococci per 100 mL, log scale. Lines mark the Moderate (36) and Poor (71) levels.
Recent tests
Date
Enterococci per 100 mL
Rating
Nov 2, 2026
20
Good
Oct 26, 2026
<10
Good
Oct 19, 2026
10
Good
Oct 12, 2026
30
Good
Oct 5, 2026
86
Poor
Sep 28, 2026
20
Good
Sep 21, 2026
41
Moderate
Sep 14, 2026
20
Good
Sep 8, 2026
10
Good
Aug 31, 2026
10
Good
Aug 24, 2026
<10
Good
Aug 17, 2026
10
Good
Aug 10, 2026
<10
Good
Aug 3, 2026
<10
Good
Jul 27, 2026
30
Good
Jul 22, 2026
160
PoorAdvisory
The long view
The state has 912 tests on record for Marler Park over 27 years, starting July 2000.
In the last 10 years, 23 tests of 199 (12%) 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.
Sampling site MARLER PARK (Okaloosa County, EPA beach ID FL337795), at 30.40009, -86.59401. 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.