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2025 Ranking of Concern 8 out of 39
Water Quality Grade 2025
D
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Sanibel Communities for Clean Water > Communities

East Rocks: Durion Court

26.47680, -82.16666

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Data Summary
Nutrients
2025 2024 2022
IN 0.0660.5110.014
TN 1.422.522.41
OP 0.0890.0550.095
TP 0.230.240.1
Chl-a 4138.349.4
TSI 77.280.776.2
Salinity 10.74.21.05
DO 52.45.4

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The most recent samples from East Rocks: Durion Court were taken in 2025, where it ranked 8 out of 39 sites tested that year. In this dataset, a ranking of 1 represents the most impaired site, while 39 represents the least impaired.

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BMPs (Best Management Practices) implemented at East Rocks: Durion Court:

No BMPs have been reported at this location yet.

. . . . . = State Criteria: measurements above this line suggest impairment to the waterbody.
Historical Data
Rankings
  • 2025 Ranking: 8 out of 39 sites tested
  • 2024 Ranking: 10 out of 46 sites tested
  • 2023 Ranking: Not tested
  • 2022 Ranking: 23 out of 84 sites tested
  • 2020 Ranking: 19 out of 84 sites tested
  • 2018 Ranking: 39 out of 78 sites tested
  • 2016 Ranking: 14 out of 78 sites tested
Water Quality Grade
  • 2025 Grade: D
  • 2024 Grade: D
  • 2023 Grade: Not tested
  • 2022 Grade: D
  • 2020 Grade: F
  • 2018 Grade: F
  • 2016 Grade: F
Most Impaired - Top 5
Least Impaired - Top 5
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