Dubois Snorkel Lagoon Water Quality

Palm Beach County, Florida

Advisory

Health advisory: the state advises against swimming here until a retest comes back clean.

Latest test
Oct 26, 2026 (10 days ago)
Enterococci
158 per 100 mL
Past 12 months
13 of 20 tests Good, 4 Poor

Results over time

101001000Jul 7, 2026: 10 per 100 mL (Good)Jul 13, 2026: 10 per 100 mL (Good)Jul 20, 2026: 10 per 100 mL (Good)Jul 27, 2026: 10 per 100 mL (Good)Aug 3, 2026: 63 per 100 mL (Moderate)Aug 10, 2026: 10 per 100 mL (Good)Aug 17, 2026: 10 per 100 mL (Good)Aug 24, 2026: 10 per 100 mL (Good)Aug 31, 2026: 199 per 100 mL (Poor)Sep 2, 2026: 10 per 100 mL (Good)Sep 8, 2026: 10 per 100 mL (Good)Sep 14, 2026: 20 per 100 mL (Good)Sep 21, 2026: 201 per 100 mL (Poor)Sep 23, 2026: 31 per 100 mL (Good)Sep 28, 2026: 31 per 100 mL (Good)Oct 5, 2026: 10 per 100 mL (Good)Oct 12, 2026: 41 per 100 mL (Moderate)Oct 19, 2026: 173 per 100 mL (Poor)Oct 21, 2026: 41 per 100 mL (Moderate)Oct 26, 2026: 158 per 100 mL (Poor)
Enterococci per 100 mL, log scale. Lines mark the Moderate (36) and Poor (71) levels.

Recent tests

DateEnterococci per 100 mLRating
Oct 26, 2026158Poor Advisory
Oct 21, 202641Moderate
Oct 19, 2026173Poor Advisory
Oct 12, 202641Moderate
Oct 5, 202610Good
Sep 28, 202631Good
Sep 23, 202631Good
Sep 21, 2026201Poor Advisory
Sep 14, 202620Good
Sep 8, 202610Good
Sep 2, 202610Good
Aug 31, 2026199Poor Advisory
Aug 24, 202610Good
Aug 17, 202610Good
Aug 10, 202610Good
Aug 3, 202663Moderate

The long view

The state has 20 tests on record for Dubois Snorkel Lagoon over 1 year, starting July 2026. In the last 10 years, 4 tests of 20 (20%) 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.

Parks nearby

Nearby sampled beaches

About this site

Sampling site DUBOIS SNORKEL LAGOON (Palm Beach County, EPA beach ID FL168949), at 26.94391, -80.07580. 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.