Sanibel Causeway Water Quality

Lee County, Florida · no longer sampled

No longer sampled

The state no longer samples this site.

Latest test
Dec 29, 2025 (311 days ago)
Enterococci
10 per 100 mL
Past 12 months
8 of 8 tests Good

Results over time

101001000Nov 8, 2021: 10 per 100 mL (Good)Nov 15, 2021: 10 per 100 mL (Good)Nov 22, 2021: 10 per 100 mL (Good)Nov 29, 2021: 10 per 100 mL (Good)Dec 6, 2021: 10 per 100 mL (Good)Dec 13, 2021: 10 per 100 mL (Good)Dec 20, 2021: 10 per 100 mL (Good)Dec 27, 2021: 10 per 100 mL (Good)Jan 3, 2022: 31 per 100 mL (Good)Jan 10, 2022: 10 per 100 mL (Good)Jan 18, 2022: 10 per 100 mL (Good)Jan 24, 2022: 10 per 100 mL (Good)Jan 31, 2022: 10 per 100 mL (Good)Feb 7, 2022: 10 per 100 mL (Good)Feb 14, 2022: 10 per 100 mL (Good)Feb 21, 2022: 10 per 100 mL (Good)Feb 28, 2022: 10 per 100 mL (Good)Mar 7, 2022: 10 per 100 mL (Good)Mar 14, 2022: 10 per 100 mL (Good)Mar 21, 2022: 10 per 100 mL (Good)Mar 28, 2022: 10 per 100 mL (Good)Apr 4, 2022: 10 per 100 mL (Good)Apr 11, 2022: 10 per 100 mL (Good)Apr 18, 2022: 10 per 100 mL (Good)Apr 25, 2022: 10 per 100 mL (Good)May 2, 2022: 10 per 100 mL (Good)May 9, 2022: 10 per 100 mL (Good)May 16, 2022: 10 per 100 mL (Good)May 23, 2022: 20 per 100 mL (Good)May 31, 2022: 10 per 100 mL (Good)Jun 6, 2022: 10 per 100 mL (Good)Jun 13, 2022: 10 per 100 mL (Good)Jun 20, 2022: 10 per 100 mL (Good)Jun 27, 2022: 10 per 100 mL (Good)Jul 5, 2022: 10 per 100 mL (Good)Jul 11, 2022: 87 per 100 mL (Poor)Jul 13, 2022: 10 per 100 mL (Good)Jul 18, 2022: 10 per 100 mL (Good)Jul 25, 2022: 10 per 100 mL (Good)Aug 1, 2022: 10 per 100 mL (Good)Aug 8, 2022: 31 per 100 mL (Good)Aug 15, 2022: 10 per 100 mL (Good)Aug 22, 2022: 10 per 100 mL (Good)Aug 29, 2022: 10 per 100 mL (Good)Sep 6, 2022: 10 per 100 mL (Good)Sep 12, 2022: 10 per 100 mL (Good)Sep 19, 2022: 10 per 100 mL (Good)Apr 28, 2025: 10 per 100 mL (Good)May 5, 2025: 10 per 100 mL (Good)May 12, 2025: 10 per 100 mL (Good)May 19, 2025: 10 per 100 mL (Good)May 27, 2025: 10 per 100 mL (Good)Jun 2, 2025: 31 per 100 mL (Good)Jun 9, 2025: 10 per 100 mL (Good)Jun 16, 2025: 10 per 100 mL (Good)Jun 23, 2025: 10 per 100 mL (Good)Jun 30, 2025: 10 per 100 mL (Good)Jul 7, 2025: 10 per 100 mL (Good)Jul 14, 2025: 10 per 100 mL (Good)Jul 21, 2025: 10 per 100 mL (Good)Jul 28, 2025: 10 per 100 mL (Good)Aug 4, 2025: 10 per 100 mL (Good)Aug 11, 2025: 10 per 100 mL (Good)Aug 18, 2025: 20 per 100 mL (Good)Aug 25, 2025: 10 per 100 mL (Good)Sep 4, 2025: 10 per 100 mL (Good)Sep 8, 2025: 10 per 100 mL (Good)Sep 15, 2025: 10 per 100 mL (Good)Sep 22, 2025: 10 per 100 mL (Good)Sep 29, 2025: 10 per 100 mL (Good)Oct 6, 2025: 10 per 100 mL (Good)Oct 13, 2025: 10 per 100 mL (Good)Oct 20, 2025: 10 per 100 mL (Good)Oct 27, 2025: 10 per 100 mL (Good)Nov 3, 2025: 10 per 100 mL (Good)Nov 12, 2025: 10 per 100 mL (Good)Nov 17, 2025: 10 per 100 mL (Good)Nov 24, 2025: 10 per 100 mL (Good)Dec 1, 2025: 10 per 100 mL (Good)Dec 8, 2025: 10 per 100 mL (Good)Dec 15, 2025: 10 per 100 mL (Good)Dec 22, 2025: 10 per 100 mL (Good)Dec 29, 2025: 10 per 100 mL (Good)2022202320242025
Enterococci per 100 mL, log scale. Lines mark the Moderate (36) and Poor (71) levels.

Recent tests

DateEnterococci per 100 mLRating
Dec 29, 202510Good
Dec 22, 202510Good
Dec 15, 202510Good
Dec 8, 202510Good
Dec 1, 202510Good
Nov 24, 202510Good
Nov 17, 202510Good
Nov 12, 202510Good
Nov 3, 202510Good
Oct 27, 202510Good
Oct 20, 202510Good
Oct 13, 202510Good
Oct 6, 202510Good
Sep 29, 202510Good
Sep 22, 202510Good
Sep 15, 202510Good

The long view

The state has 1,144 tests on record for Sanibel Causeway over 26 years, starting July 2000. In the last 10 years, 9 tests of 338 (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 SANIBEL CAUSEWAY (Lee County, EPA beach ID FL082227), at 26.46896, -82.02866. 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.